Equation of Motion 2

Multiple Choice

The gradient of a displacement-time graph gives the _____ of the object.

• displacement

• time

• velocity

• acceleration

Multiple Choice

The object with the displacement time graph has a/an __________ velocity, as the gradient is __________.

• increasing...increasing

• increasing...decreasing

• decreasing...increasing

• decreasing...decreasing

Multiple Choice

What is happening in this graph?

• constant positive velocity

• constant negative velocity

• negative acceleration

• gravity

Multiple Choice

Find the velocity from the given graph.

• 2 m/s

• -2m/s

• 2.5m/s

Multiple Choice

From the displacement-time graph, what is its respective velocity-time graph?

Multiple Choice

• Constant speed

• Accelerating

• Decelerating

• Stationary

Multiple Choice

This position vs. time graph shows an object...

• speeding up

• slowing down

Multiple Choice

The slope of a velocity-time graph represents __________.

• acceleration

• displacement

• speed

• distance

Multiple Choice

What is the velocity?

• positive

• negative

• decreasing

• increasing

Multiple Choice

How can I find acceleration from a velocity-time graph?

• Read it off the x-axis.

• Read it off the y-axis.

• Calculate the gradient of the line.

• Calculate the area under the graph.

Multiple Choice

Acceleration: is the rate of change in ___________.

• speed

• distance

• velocity 

• displacement 

Multiple Choice

The equation for finding average acceleration for straight-line motion is

• (V_i-V_f) x Time

• (V_f-V_i) / Time

• V_i+V_f+time

• V_i+V_f-time

Multiple Choice

A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is 

• 6 m/s² opposite the motion

• 2m/s² in the direction of motion

• 8 m/s² opposite the motion

Multiple Choice

A  car starts from rest and after  7 seconds it is moving at 42  m/s. What is the car’s acceleration? ... m/s²

• 0.17

• 1.67

• 6

• 7

Multiple Choice

How long will it take a running horse to travel 260 m and attain a speed of 12 m/s from rest?

• 12 s

• 1.2 hours

• 43 hr

• 43 s

Multiple Choice

A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boat’s acceleration while it travels the 12.0 m?

• 1.3 m/s²

• 2.5 m/s²

• 3.0 m/s²

• 7.5 m/s²