Physics: Uniform Velocity and Speed

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What is the relationship between velocity and speed in motion along a straight line?

Velocity is always greater than speed.

Velocity and speed are unrelated in motion along a straight line.

Velocity is always less than speed.

Velocity equals speed in motion along a straight line. (correct)

If a car is accelerating uniformly on a straight road at 5 m/s², how much does its speed increase every second?

3 m/s

10 m/s

2 m/s

5 m/s (correct)

What term is used to describe a negative acceleration?

Retardation (correct)

Uniform motion

Deceleration

Acceleration

How does a motion sensor determine the distance of an object from the sensor?

By using the ultrasonic echo technique Signup and view all the answers

What information can be obtained by connecting a datalogger and computer to a motion sensor?

Velocity-time graph Signup and view all the answers

In a tickertape timer, what does the distance between successive dots represent?

Speed Signup and view all the answers

What unit of time is used in a tickertape timer to represent 0.15 seconds?

'Tick' Signup and view all the answers

If an object is decelerating, what can be said about its acceleration?

It is positive Signup and view all the answers

What term is used to describe the average speed of an object in a tickertape timer?

Tentick speed Signup and view all the answers

How does acceleration affect velocity in uniform motion?

Increases velocity without changing direction Signup and view all the answers

Physics: Uniform Velocity and Speed

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Questions and Answers

What is the relationship between velocity and speed in motion along a straight line?

If a car is accelerating uniformly on a straight road at 5 m/s², how much does its speed increase every second?

What term is used to describe a negative acceleration?

How does a motion sensor determine the distance of an object from the sensor?

What information can be obtained by connecting a datalogger and computer to a motion sensor?

In a tickertape timer, what does the distance between successive dots represent?

What unit of time is used in a tickertape timer to represent 0.15 seconds?

If an object is decelerating, what can be said about its acceleration?

What term is used to describe the average speed of an object in a tickertape timer?

How does acceleration affect velocity in uniform motion?

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