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Physics Quiz: Motion and Acceleration

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Questions and Answers

What is the average velocity of a bird accelerating from rest at a constant rate, experiencing a displacement of 28m in 11s?

2.5 m/s (correct)

3.4 m/s

1.7 m/s

5.0 m/s

What is the instantaneous velocity of an object accelerating at a constant rate from rest, at the instant it travels 28m in 11s?

0.34 m/s

0.24 m/s

0.56 m/s

0.46 m/s (correct)

Which of the following graphs represents an object moving with constant acceleration?

A horizontal line

A vertical line

A straight line with a non-zero slope (correct)

A curve with a changing slope

Which car is moving with constant speed according to the distance-time graphs?

Car D (C) Signup and view all the answers

What is the acceleration of an object moving with constant acceleration?

Constant (B) Signup and view all the answers

What is the average speed of an object moving with constant acceleration?

The slope of the distance-time graph (B) Signup and view all the answers

What is the acceleration of a car moving with uniform negative acceleration?

Decreasing (C) Signup and view all the answers

Which of the following is an example of uniform acceleration?

A car slowing down (C) Signup and view all the answers

What is the average speed of a car that travels 60 km in 1 hour?

60 km/hr (C) Signup and view all the answers

A car travels from City A to City B via Road 1, Road 2, and Road 3. Which road will give the slowest average speed?

All roads will give the same average speed (C) Signup and view all the answers

What is the time taken to travel 60 km at a speed of 80 km/hr?

0.75 hr (A) Signup and view all the answers

What is acceleration?

A measure of an object's change in velocity (C) Signup and view all the answers

What is the acceleration of the car moving with a constant acceleration?

0.2 m/s² (A) Signup and view all the answers

Which car is slowing down?

Car D (B) Signup and view all the answers

What is the average speed of the Honda car?

25 m/s (C) Signup and view all the answers

What is the net force acting on the car during interval B?

Non-zero net force (B) Signup and view all the answers

What is the acceleration of the car if it stops in 5 seconds?

-1.0 m/s² (B) Signup and view all the answers

What can be said about the forces acting on the apple crate?

There may be opposing forces acting (D) Signup and view all the answers