# Physics

Physics select settlement Exam

(must answerance all is-sue, if a balance is wanted)

Motion

1) If you descend a hurl & it expedites at 10m/sec2, how stable is it going in 12 succors?

2) On a rollercoaster, if the practicable disposition at the source of the ride was important than the kinetic disposition at the end of the ride, what do you assist the pine of disposition and does it break the preservation of disposition laws.

3) Your hasten in the principal hour is 40miles/hour, in the succor hour is 45 miles/hour, in the third hour is 50 miles/ hour. What is the mediocre hasten for the stumble ______(appearance is-sue) & what is your succor ________

4) What is the dissimilarity in mediocre hasten & momentary hasten. Grant an development as you migration on your stumble to a undoubtful fate.

5) You migration 30miles/hour the qualify your hasten to 60miles/hour in 3 hours. What is your succor?

6) Is it practicable to expedite if you are going at continuous hasten? Explain your answers?

7) Newton said that the nerves you agitate on your substantiality at repose is the identical as when you are going at continuous hasten in a closeest ine. What did he middle by this?

8) If the United States built another Empire State architecture on the moon and you descendped a baseglobe from the top foot, would the globe decdirection stableer on the moon or on the globe & grant the discuss why?

9) If you hot a golf globe on the moon delay correspondently the identical nerve as you did on globe, would it go the identical separation? Grant diverse discusss for your answer:

10) A rollercoaster should not be recognized to rescue past than 3.5G’s of nerve to any of its riders. What does this middle? Spectry two places on a rollercoaster wclose you would experiment the most G nerves & why:

11)How does descendping an view in a vacuum opposed than in air? What view would be tender stableer & why?

12) What is the opposed in continuous hasten & continuous succor & grant an development:

13) A 250 beat man & a 125 beat maid bound out of a roll. In conditions of ultimate fleetness, what individual hits the reason principal & why? How would this be-unrelish in a vacuum?

14) If you were in a separationcraft tender at 1000 miles/hour in exterior separation and you acrimonious off the engines, what would occur to the hasten and control of your separationcraft & why?

Work

15) How abundantly Horseforce does it select a 200 beat man to run 100 meters in 9.97seonds. Appearance all units.

16) Why is it easier to convert a fly delay a wring vs a screwdriver?

17) How frequent Watts of force does a weightlifter disburse when lifting a 200 beat barbell a perpendicular separation of 4 feet in 1.5 succors. Be scrupulous of units (1 endow = 4.4 Newtons; 3.28 feet = 1 meter)

18) Why can’t you count Is-sue (solely Torque) when interfering down on your bicycle pedals as your bicycle agitates confident?

19) In physics, the equality of is-sue to agitate colossus a undoubtful separation is the identical whether you use a implement or not. Why then does the implement construct it answer easier if the is-sue is the identical?

20) A 6400 beat car has an engine that agitates the car 0.5 miles in 1 microscopic. What is the Horseforce of this engine? (1600 meters = 1 mile; 4.4 Newtons = 1 beat; 60 sec = 1 microscopic)

Heat & Energy

21) When you put gasodirection in your car, inventory the emblems of disposition conversions as you importune abroad. Why is the car solely 35% causative?

22) You use electrical disposition to force a capricious bulb & an LED capricious. Which one gets hotter?. Why then is a capricious bulb hither causative in conditions of capricious?

23) Why does layered dress preserve you eagerer than true a unmarried jacket?

24) What is so extraordinary encircling a “thermal blanket” that preserves you eagerer than a established blanket?

25) If you remain a metal spoon in one influence & a yielding fork in the other influence, why does the metal spoon agitate colder equable though twain views are at the identical region?

Sound

26) You incdirection a retinue hence through brawny tracks. It took 10 succors for the gauge to get to your ears through these tracks. How frequent miles abroad is the retinue (1600 meters = 1 mile)

27) You incdirection a gauge in air migrationling a separation of 10,000 meters. How hanker would it select the gauge to penetrate you in air __________ succors; if this identical gauge was produced beneath steep, how hanker would it select the gauge to penetrate you if you were beneath steep = ________seconds

28) We incdirection opposed pitches inveterate on the sharp ownership of fibers in our ear. Explain how the concept of clang accomplishes this?

29) What allows gauge to migration about corners emend than capricious? What brandish ownership is this designated ?

30) What is the dissimilarity in sonar & radar and grant an application of each:

31) Why is a sonic peal an distant development of the Doppler Effect & circumstantial interference:

32) If I despatch a gauge extraordinary (sonar) or capricious extraordinary (radar) at a tender view and the reflected brandish off the view has a hankerer brandishlength than the primordial brandish, is the view hence internal me or abroad from me? Explain your discussing.

33) Your associate told you they bought an high-priced gauge rule that had a frequence stroll from 10 to 50,000 Hertz. Was this a pine of currency? Why do older vulgar want to squander equable hither currency on this gauge rule?

34) Why does opinion gauge opposed on a tape recording?

35) Why does your opinion gauge opposed balance the phone?

LIGHT

36) What 2 tests could you do to dissimilate a diverging lens from a converging lens?

37) Let’s say you walked into a fun stock & you orderly in face of a image. When you came suspend, it catholic you & when you orderly far abroad, it made you upside down. What emblem of image was this?

38) Let’s say ou walked into a funstock & you orderly in face of of the image and you faceed smaller. What emblem of image was this?

39) If you wanted to begin a essay leader using a lens aimed at the sun, what emblem of lens would it bear to be and why?

40) Most tintblind vulgar can see basic tints. They do bear gists delay shades in between. Why?

41) Why are tclose past tintblind men than women?

42) Blueberries illuminated delay the diverse capriciouss would face relish what tint?

Magenta ____________ Cyan ___________- yellow _________ snowy _________

43) Tomato illuminated delay the diverse capriciouss would face relish what tint

Magenta _________ Cyan _________ Yellow ________ Snowy _________

44) Microbrandish ovens passion aid by vibrating steep molecules. Why is this an application of Resonance?

45) Laser capricious is so determined past it is an development of complete capricious. Explain what that is & why it fruits in such an determined unmarried radiate..

46) In the mass, “Lord of the Flies,” one of the characters was severely “close sighted.” He took off his glasses & aimed it at the sun and begined a leader to aid eager his associates. Why is this impracticable delay his glasses.

47) What fruit would you get if you mixed:

Magenta & Cyan capricious vs Magenta & Cyan paint

48) When vulgar rub bifocals they bear a gist view far & close. What is one gist in their eye that they bear for firm?

49) If you can see far, but not close, what is the gist delay the eye & how do they rectify it?

50) If you can see close, but not far, what is the gist delay the ye and how do they rectify it?

51) Spectry at balanceest 3 things in the eye that aid refract capricious:

a) b) c)

Now spectry one eye gist of each of the items aloft that would influence the individual’s vision:

52) When red capricious shines on a red rose, why do the leaves befit eagerer than the petals?

53) When piercing capricious shines on a red rose, why do the petals face black?

54) What tint conquer a yellow cloth answer beneath: a) suncapricious b) yellow capricious c) blue-colored-colored capricious

Electricity

55) Rubbing your habiliments opposite the car stud, then pathetic your gas tank when you are satisfaction up delay gas can producer an discharge. Explain

56) Explain how a capriciousning rod protects a architecture. You want some point close.

57) Explain why “grounded” can easily fruit in careful shame?

58) Explain why getting shameed by pathetic a door tooth (which releases thousands of volts) is completely harmhither yet getting shame by a 12 volt car battery could be lethal?

59) If you united 4 logicians to an amplifier “in succession”, what would occur to to the ardor of the gauge if you assumed another logician & why?

60) Why must tour breaker be hooked in succession delay a direction of mechanism equable though the direction of mechanisms are hooked concertedly in equidistant?

61) Two vulgar arrive-at the identical view sketch an electric popular. One individual preserves his other influence in his steal suitableness the other individual reasons himself by pathetic a metal faint pole. Which individual is in molestation & why?

62) Why should you bear a reason failure interrupters established in all bathrooms & kitchens.

63) Why is it injustice to say “I was not electrocuted past I was reasoned?”

64) If you rub “wool” on a yielding (vinyl) comb, the comb should convert ( +, -, indifferent). You now arrive-at a indifferent globe delay yielding & the globe should convert ______ ( +, -, indifferent). If you now import the yielding close the globe, the globe should _______(repel, prompt, nopt result).. You now rub a intepeace of glass delay silk (polyester) and agitate the glass close the globe. It should ________attract, check, not result).

65)If you rub silk (polyester) on acetate, the acetate should be _________(+, -, indifferent). You arrive-at a indifferent globe delay the acetate and the globe should convert _____(+, -, indifferent). If you now import the acetate close the globe, the globe should ____repel, prompt, not result). Now rub a intepeace of wool delay rubber and agitate the rubber close the globe. It should ______(attract, check, not result).

Voltage

66) What bigness smelt (or tour breaker) would you want if you bear 10 mechanisms all using 160 Watts of force plugged into 110 volt exits ahanker that tour direction?

67) What bigness smelt (or tour breaker) would you want having a toaster (1100 Watts), a blnder (150 Watts) and a microbrandish (1500 Watts) all plugged into 110 Volt exits

68) A 1800 Watt hair dryer plugged into a 110 Volt exit would insist-upon how frequent amps of popular?

69) A 220 Volt exit for your stove is on a 20 amp tour. How frequent Watts is the stove?

70) You bear a 120 Watt lamp plugged into a 110 Volt exit. How frequent ohms is the bulb?

71) You bear a 1000 Watt toaster in your kitchen on a 110Volt exit. How frequent amps does that toaster drag? What ohm toaster is this?

72) What would be the force rating on a lamp that was 5000 ohms and plugged into a 120 Volt exit?

73) What is the hindrance balbutiation on a stereo logician that uses 110 volts and drags a popular of 11 amps.

74) How abundantly force is insist-upond to run an 11 ohm mechanism that is plugged into a 220 Volt exit?

75) A 200 watt bulb plugged into a 110 Volt exit has what hindrance? How abundantly popular does it insist-upon?

76) Is the headlights in your car united in succession or equidistant. How do you comprehend?

Magnetism

77) Why does impressive a magnet on a impenetrable exterior decay its magnetic properties?

78) Why does passioning a magnet decay its magnetic properties?

79) What two things could you do to a bar magnet to construct it stronger?

80) If a magnet had no labels of North & South, how could you emblem it out?

Conversions & momentous calculates

Answer should embrace the rectify calculate of momentous calculates.

81) 84.57 km = ___________miles

82) 4.6 quarts = _________liters

83) 3.7kg = ___________pounds

84) 2.77 meters = ________feet

85) 65.5 beats = __________ kiloNewtons

86) 6.6 meters = _________yards

87) 9725 centiliters = __________ pints

88) 41.38 feet = _______cm

89) 0.9557 tons = ________kg

90) 0.58 hectoliters = ________gallons

Metric to Metric conversions

91) 20.68 Megaliters = ___________centiliters; _________Gigaliters

92) 1400. Micrometers = __________nanometers; ________ meters

93) 3.78 kilometers = ________millimeters; _________Megameters

94) 14.7 milliamps = _________microamps; __________hectoamps

95) 16.5 gigabytes = ___________bytes; __________Terabytes

96) 565 Megahertz = ______kilohertz; _________Gigahertz

97) 1200. Kilovolts = ___________Megavolts; __________millivolts

98) 25 Megatons = __________hectotons

99) 2000. Nanoseconds = ___________milliseconds

100) 19.5 kilograms = _________micrograms

Physics select settlement Exam

(must answerance all is-sue, if a balance is wanted)

Motion

1) If you descend a hurl & it expedites at 10m/sec

2

, how

stable is it going in 12 succors?

2) On a rollercoaster, i

f

the

practicable disposition

at the source of the ride was important than the

kinetic disposition at the end of the ride, what do you assist the pine of disposition and does it

break the preservation of ene

rgy laws.

e

d in the principal hour is 40miles/hour, in the succor hour is 45 miles/hour, in the

third hour is 50 miles/ hour. What is the mediocre hasten for the stumble ______(appearance is-sue) &

what is your succor ________

4) What is the dissimilarity

in mediocre hasten & momentary hasten. Grant an development as you

migration on your stumble to a undoubtful fate.

5) You migration 30miles/hour the qualify your hasten to 60miles/hour in 3 hours. What is your

acceleration?

6) Is it practicable to expedite if you a

re going at continuous hasten? Explain your answers?

7) Newton said that the nerves you agitate on your substantiality at repose is the identical as when you are

going at continuous hasten in a closeest ine. What did he middle by this?

8) If the

U

nited States built

another Empire

State architecture on the moon and you descendped a

baseglobe from the top foot, would the globe decdirection stableer on the moon or on the globe & grant the

discuss why?

Physics select settlement Exam

(must answerance all is-sue, if a balance is wanted)

Motion

1) If you descend a hurl & it expedites at 10m/sec

2

, how stable is it going in 12 succors?

2) On a rollercoaster, if the practicable disposition at the source of the ride was important than the

kinetic disposition at the end of the ride, what do you assist the pine of disposition and does it

break the preservation of disposition laws.

3) Your hasten in the principal hour is 40miles/hour, in the succor hour is 45 miles/hour, in the

third hour is 50 miles/ hour. What is the mediocre hasten for the stumble ______(appearance is-sue) &

what is your succor ________

4) What is the dissimilarity in mediocre hasten & momentary hasten. Grant an development as you

migration on your stumble to a undoubtful fate.

5) You migration 30miles/hour the qualify your hasten to 60miles/hour in 3 hours. What is your

acceleration?

6) Is it practicable to expedite if you are going at continuous hasten? Explain your answers?

7) Newton said that the nerves you agitate on your substantiality at repose is the identical as when you are

going at continuous hasten in a closeest ine. What did he middle by this?

8) If the United States built another Empire State architecture on the moon and you descendped a

baseglobe from the top foot, would the globe decdirection stableer on the moon or on the globe & grant the

discuss why?

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