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Unit, speed and acceleration

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Polar bears are extremely good swimmers. If a polar bear is swimming with an average of 2.6 m/s, how far will it have traveled after 120 seconds?

a)

a. 46.2 m

b)

b. 120 m

c)

c. 312 m

d)

d. 456.3 m

2.

2. Tree sloths are the slowest moving mammals. On average, their velocity is 0.743 m/s. How long does it take a tree sloth moving at this velocity to travel 22.3 m?

a)

a. 16.6 s

b)

b. 30.0 s

c)

c. 0.03 s

d)

d. 143.7 s

3.

It is the rate of change of the object's position with respect to a frame of reference and time.

a)

a. Velocity

b)

b. Speed

c)

c. Time

d)

d. Acceleration

4.

What is the correct formula for acceleration?

a)

a. a= vF - Vo

t

b)

b d = s x t

c)

c. a = d x t

d)

d. a =

5.

3. What is the speed of a car that traveled 0.2 km in 12 seconds?

a)

a. 64 m/s

b)

b. 16.66m/s

c)

c. 166.67m/s

d)

d. 1.66m/s

6.

If it takes Heather 3 seconds to run from the batter's box to first base at an average speed of 6.5 meters per second, what is the distance she covers in that time?

a)

a. 19.5 m

b)

b. 0.46 m

c)

c. 2.2 m

d)

d. 3.5 m

7.

Bart ran 5,000 meters from the police at an average speed of 21.6 km/hr before he got caught. How fast did he run?

a)

a. 30,000 s

b)

b. 0.0012 s

c)

c. 833.3 s

d)

d. 4.32s

8.

If Mike rides his motorcycle at an average speed of 20 m/s for 500 seconds, how far does he ride?

a)

a. 10,000 m

b)

b. 25 m

c)

c. 0.04 m

d)

d. 250 m

9.

It is the rate at which velocity changes with time, in terms of both speed and direction.

a)

a. velocity

b)

b. speed

c)

c. time

d)

d. acceleration

10.

It is defined as a vector measurement of the rate and direction of motion.

a)

a. velocity

b)

b. acceleration

c)

c. time

d)

d. speed

11.

Lauren's car was detected exceeding the posted speed limit of 60 km/hr. How much over the speed limit was she going if she covered a distance of 10 km in 0.08 hours?

a)

a. 40 km/hr Over

b)

b. 65 km/hr Over

c)

c. 15 km/hr Over

d)

d. 35 km/hr Over

12.

plane lands on the runway and slows from 758 km/hr to 30 km/hr in 0.013 hours. What is the plane's acceleration?

a)

a. . 15,555.56

b)

b. 15,555.50

c)

c. 15,555.45

d)

d. 15,555.40

13.

He was the first physicist who was popularly remembered as the man who saw an apple fall from a tree, and was inspired to invent the theory of gravity.

a)

a. Ernest Rutherford

b)

b. John Dalton

c)

c. Antoine Lavoiser

d)

d. Isaac Newton

14.

A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

a)

a. 75 s

b)

b. 35s

c)

c. 0.3s

d)

d. 3.3s

15.

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.

a)

a. 30 m/s

b)

b. 24 m/s2

c)

c. 9 m/s2

d)

d. 81 km/hr.

16.

Speed = _______________

a)

a. Distance + time

b)

b. Distance x time

c)

c. Distance / time

d)

d. Distance – time

17.

This occurs when an object speeds up, slows down, or changes direction.

a)

a. Speed

b)

b.Velocity

c)

c. Acceleration

d)

d. Final velocity.

18.

Velocity = _______________

a)

a. Speed – direction

b)

b. Speed + direction

c)

c. Speed x direction

d)

d. Speed / direction

19.

At what speed would a car have to move in order to travel 20 kilometers in 2 hours.

a)

a. 5 km/hr

b)

b. 10 km/hr

c)

c. 20 km/hr

d)

d. 40 km/hr

20.

A measurement of how fast an object is moving

on

a)

a. Velocity

b)

b. Speed

c)

c. Vector

d)

d. Acceleration