EASY

Earn 100

Define average speed.

Important Questions on Motion and Time

EASY

If a car travels a distance with

20 %

less speed, then it will reach

15

minutes late. What is the usual time(in minutes) taken by the car to travel the same distance?

MEDIUM

Science>Physics>Motion and Time>Speed

A man uses train and car to reach his office. If he travels

10

km by car and the rest of the distance by train then he reaches his office in ‘t’ hours. If he travels exactly opposite (

10

km by train, and the rest by car), he reaches the office in (t+0.5 hours). If the speeds of train and car are respectively

50

km/hr and

40

km/hr, then how much distance does he travel to reach his office?

EASY

Science>Physics>Motion and Time>Speed

A goes from Point X to Point Y at a speed of

60

km/hr and comes back with a speed of

80

km/hr. What is the average speed (in km/hr) of A for going and coming back?

EASY

Science>Physics>Motion and Time>Speed

Raju has to cover a distance of

240 k m

4 h o u r s

. If he covers one-third of the journey in

\frac{2}{7} t h

time, what is his speed at the beginning of the journey?

EASY

Science>Physics>Motion and Time>Speed

A car travels half distance with speed

20 m s^{- 1}

and next half distance travel with

30 m s^{- 1}

the average speed of the car is

EASY

Science>Physics>Motion and Time>Speed

A man goes from C to D at

40

km/h and he returns from D to C at

x

km/h. If the average speed of the man for the whole journey is

60

km/h, then what is the value of

x

EASY

Science>Physics>Motion and Time>Speed

A train running with a speed of

18 km / h

, crosses an electric pole. If the length of the train is

540

meters, then what is the time taken by the train to cross the pole?

MEDIUM

Science>Physics>Motion and Time>Speed

Raman goes to a place at a speed of

15

km/hr and return back at

12

km/hr. What is his average speed (in km/hr)?

MEDIUM

Science>Physics>Motion and Time>Speed

A man standing on a railway platform noticed that a train took

21 s

to cross the platform (this means the time elapsed from the moment the engine enters the platform till the last compartment leaves the platform) which is

88 m

long, and that it took

9 s

to pass him. Assuming that the train was moving with uniform speed, what is the length of the train in meters?

EASY

Science>Physics>Motion and Time>Speed

A motorcycle covers

60

km in

3

hours. Its speed is doubled. What distance will it cover in next

1

hour ?

MEDIUM

Science>Physics>Motion and Time>Speed

Two trains 152.5 m and 157.5m long, running in opposite directions, cross each other in 9.3 seconds. What will be the combined speed of both trains per hour?

EASY

Science>Physics>Motion and Time>Speed

If work, force and time are represented by

A

B

and

C

respectively then the term

(\frac{A}{B C}) w i l l p r e s e n t

MEDIUM

Science>Physics>Motion and Time>Speed

A car travels at the speed of

50 k m / h

for the first half of the journey and at the speed of

60 k m / h

for the second half of the journey. What is the average speed of the car for the entire journey?

EASY

Science>Physics>Motion and Time>Speed

Find the speed of the bike in m/sec which covers a distance of $4 \times 10^{4}$ m in $10^{- 2}$ seconds.

MEDIUM

Science>Physics>Motion and Time>Speed

An object travels

21 m

4 s

and in the next

2 s

travels another

15 m

. What is the average speed of the object?

MEDIUM

Science>Physics>Motion and Time>Speed

A train crosses a pole in

12 s

, and a bridge of length

170 m

36 s

. Then the speed of the train is:

HARD

Science>Physics>Motion and Time>Speed

A motorist travels to a place 150 km away at an average speed of 50 km/hour and returns at 30 km/hour. What is the average speed for the whole journey ?

MEDIUM

Science>Physics>Motion and Time>Speed

An object travels $20$ meters in $4$ seconds and $15$ meters in the next two seconds. What is the average speed of the object?

EASY

Science>Physics>Motion and Time>Speed

A boy covers a distance of

260 m

20 s

and another distance of

300 m

20 s

. The average speed of the boy is :

EASY

Science>Physics>Motion and Time>Speed

If force, momentum, and displacement are represented by

A

B

and

C

respectively then the term

[\frac{A C}{B}]

will represent:

Define average speed.

Important Questions on Motion and Time

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