Quiz
Unit 4 Physics
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Perguntas do quiz (18)
1What is the formula for Acceleration?
- ATime/velocity
- BDistance/time
- CVelocity/time
- DNone of the above
2Acceleration is a rate of change in what?
- ASpeed
- BVelocity
- CDistance
- DTime
3Acceleration changes when?
- ASpeeding up
- BSlowing down
- CChange in direction
- DAll of the above
4If an object is slowing down then the acceleration is what?
- ANegative
- BPositive
5If an object is speeding up then the acceleration is what?
- APositive
- BNegative
6A position time graph slope is acceleration
- AVerdadeiro
- BFalso
7The slope of a velocity time graph is velocity/time
- AVerdadeiro
- BFalso
8The formula for velocity is displacement/time
- AVerdadeiro
- BFalso
9Velocity is a rime distance an object travels over time
- AVerdadeiro
- BFalso
10Relative motion is measuring a change in position with respect to a stationary moving object
- AVerdadeiro
- BFalso
11How many cm are in 19 in?
1in= 2.5cm- A46.76
- B48.26cm
- C45.62
- D46.82
12 14 (ounces) is the same as how many lbs (pounds)?
1lbs= 16oz- A.875
- B.455
- C.224
- D.645
13How many kg are in 1640 g?
1kg= 1,000g- A3.4kg
- B2.1kg
- C1.64kg
- D1.45kg
14A roller coaster’s velocity at the top of a hill is 10 m/s. Two seconds later it reaches the bottom of the hill with a velocity of 26 m/s. What was the acceleration of the coaster?
- AIt accelerated 16 meters per second
- BIt accelerated 15 meters per second
- CIt accelerated 14 meters per second
- DIt accelerated 17 meters per second
15A roller coaster is moving at 25 m/s at the bottom of a hill. Three seconds later it reaches the top of the hill moving at 10 m/s. What was the acceleration of the coaster?
- AThe acceleration was 14 meter per seconds
- BThe acceleration was 16 meter per seconds
- CThe acceleration was 15 meter per seconds
- DThe acceleration was 12 meter per seconds
16 A car traveling at 15 m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. What is its acceleration?
- A5 seconds
- B7 seconds
- C3 seconds
- D6 seconds
17 How much time does it take for a cheetah to accelerate at 20 m/s2 from rest to a speed of 40 m/s?
- A15 m/s
- B21 m/s
- C17 m/s
- D20 m/s
18A jet plane lands on a runway, coming to a stop in 40 seconds with a deceleration of 5 m/s2. What was its landing speed?
- A27 m/s
- B35 m/s
- C39 m/s
- D34 m/s
Informações
- Descrição
- Quiz sobre Unit 4 Physics , criado por Ben Schuster em 13-12-2019.
- Autor
- Ben Schuster
- Idioma
- English
- Visualizações
- 6
- Etiquetas
- Avaliação
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