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Biblioteka

Unit 2 Comprehensive Quiz 22-23

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Pitanje 1
1.

This is a graph of a skateboarder that is —

I. Skating uphill

II. Increasing Velocity

III. Constant Velocity

IV. Increasing Speed

V. Skating at a constant speed.

VI. Increasing acceleration

Pitanje 2
2.

Select all statements that correctly describe acceleration

I. How far an object travels over a given period of time

II. The increase or decrease of velocity

III. Occurs when changing direction

IV. Often used interchangeably for speed

V. m/s

VI. m/s2

VII. Is the slope of the PT Graph

VIII. Is the slope of the VT Graph

Pitanje 3
3.

Rumi is walking towards the train to go to a concert. She realized she was going to miss the train and accelerated from 1.4 m/s at a rate of 0.83 m/s2 for 31 seconds. How far did Rumi run across level ground to catch thetrainuring this acceleration?

Pitanje 4
4.

Select the best description of the motion of a ball rolling down a ramp.

Pitanje 5
5.

What is the average velocity if, in a lab, Ariel finds that it takes 9.2s to roll a ball down a 12.83m ramp?

Pitanje 6
6.

The PT graph below depicts a bicyclist's trip on level ground.

What is the velocity and acceleration over time 0-5 seconds?

Pitanje 7
7.

When rolling a ball down a wheelchair ramp, if the ball begins at rest at the top of the

ramp, what is the velocity at t=4s?

Pitanje 8
8.

What is the average acceleration when a tank accelerates from rest to 30m/s in 6.2s?

Pitanje 9
9.

Choose the correct statements.

Pitanje 10
10.

What is the magnitude of the velocity from 0s to 5s?

Pitanje 11
11.

What is the magnitude of the acceleration from 5s to 10s?

Pitanje 12
12.

What is the motion from point c to point d?

Pitanje 13
13.

Jinu decides to go for a walk with his tiger on the flat sidewalk around the park behind his house. They start off with an initial velocity of 2 m/s, but the tiger sees a dog and takes off running with an acceleration of 0.15 m/s2 for 21 s. How far did they run while accelerating away from the dog?

Pitanje 14
14.

What is the jogger's acceleration after 2 seconds of running?

Pitanje 15
15.

What is the jogger's acceleration after 4 seconds of running?

Pitanje 16
16.

Draw the corresponding PT graph for the above VT