Science>Physics>Motion and Time>Motion

EASY

Earn 100

The magnitude of the average velocity of an object will be equal to its speed in the condition of uniform velocity.

50% studentsanswered this correctly

Important Questions on Motion and Time

HARD

Science>Physics>Motion and Time>Motion

A bus is travelling the first one-third distance at a speed of

10 km h^{- 1}

, the next one-fourth at

20 km h^{- 1}

and the remaining at

40 km h^{- 1}

. What is the average speed of the bus?

MEDIUM

Science>Physics>Motion and Time>Motion

A car moves in a circle of radius

20 m

in

50 s

with a uniform speed. Find the speed.

EASY

Science>Physics>Motion and Time>Motion

Express

36 km h^{- 1}

in

m s^{- 1}

.

MEDIUM

Science>Physics>Motion and Time>Motion

A bridge is

400 m

long. A

150 m

long train crosses the bridge at a speed of

50 m s^{- 1}

. Time taken by the train to cross it is _____.

MEDIUM

Science>Physics>Motion and Time>Motion

Abdul, while driving to school, computes the average speed for his trip to be

20 k m / h .

On his return trip along the same route, there is less traffic, and the average speed is

30 k m / h .

What the average speed for Abdul’s trip is?

MEDIUM

Science>Physics>Motion and Time>Motion

\frac{Average speed}{|Average velocity|} \geq 1

. Interpret.

MEDIUM

Science>Physics>Motion and Time>Motion

Joseph jogs from one end A to the other end B of a straight

300 m

road in

2 m i n

30 s

and then turns around and jogs

100 m

back to point C in another

1 m i n

. What are Joseph’s average speeds and velocities in jogging from A to C?

EASY

Science>Physics>Motion and Time>Motion

The distance between two stations is

240 km

. A train takes

4

hours to cover this distance. Calculate the speed of the train.

MEDIUM

Science>Physics>Motion and Time>Motion

An artificial satellite is moving in a circular orbit of radius

42250 k m .

Calculate its speed if it takes

24 h o u r s

to revolve around the earth?

MEDIUM

Science>Physics>Motion and Time>Motion

A car travels with a speed

12 {ms}^{- 1}

, while a scooter travels with a speed

36 km h^{- 1}

. Which of the two travels faster?

EASY

Science>Physics>Motion and Time>Motion

Under what condition(s) is the magnitude of the average velocity of an object equal to its average speed?

MEDIUM

Science>Physics>Motion and Time>Motion

Joseph jogs from one end A to the other end B of a straight

300 m

road in

2 m i n

30 s

and then turns around and jogs

100 m

back to point C in another

1 m i n

. What are Joseph’s average speeds and velocities in jogging from A to B?

EASY

Science>Physics>Motion and Time>Motion

Express

15 m s^{- 1}

in

km h^{- 1}

.

MEDIUM

Science>Physics>Motion and Time>Motion

A boy begins to walk eastward along a street in front of his house and the graph of his position from house is shown in the following figure. His average speed for whole time interval is equal to :
Question Image

Question Image

MEDIUM

Science>Physics>Motion and Time>Motion

Suppose the two photographs, shown in Fig.1 and Fig. 2, had been taken at an interval of $10 seconds$ . If a distance of $100 m$ is shown by $1 cm$ in these photographs, calculate the speed of the blue car.

Question Image

EASY

Science>Physics>Motion and Time>Motion

A body starts from rest. What can be interpreted by this statement?

MEDIUM

Science>Physics>Motion and Time>Motion

A train travels the first

30 km

of

120 km

track with a uniform speed of

30 km / h

. What would be the speed of the train to cover the remaining distance of the track so that its average speed is

60 km / h

for the entire trip?

EASY

Science>Physics>Motion and Time>Motion

Which of the following relations is correct?

MEDIUM

Science>Physics>Motion and Time>Motion

Write the S.I. unit of speed.

EASY

Science>Physics>Motion and Time>Motion

Distinguish between speed and velocity.