CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Instantaneous Velocity

A car travels...

Question

A car travels first 10 seconds with uniform acceleration of 2 m/s^2 from rest on straight road and then travels with zero acceleration for next 10 seconds.The average speed of entire journey is

Open in App

Solution

Suggest Corrections

thumbs-up

0

Similar questions

Q. A car travels from rest with a constant acceleration

^{'} a^{'}

t

seconds. What is the average speed of the car for its journey, if the car moves along a straight road ?

Q. A car starting from rest on a straight road first acceleration with

6

m/s then suddenly decelerates with

3 m / s

till it stops if total time of journey is

10

seconds, Then the maximum speed and distance acquired by the car is:

Q. A body starting from rest with uniform acceleration travels distance

s_{1}

t

second and travels a distance

s_{2}

with uniform velocity in the next

2 t

Q. On a 100 km road, a car travels the first 50 km at a uniform speed of

30 k m h^{- 1}

. Assuming constant velocity in second half also, how fast must the car travel for the next 50 km so as to have an average speed of

45 k m h^{- 1}

for the entire journey?

Q. As a car passes the point

A

on a straight road, its speed is

10 m/s

. The car moves with constant acceleration

a {m/s}^{2}

along the road for

T

seconds until it reaches the point

B

, where its speed is

v m/s

. The car travels at this speed for a further

10

seconds, when it reaches the point

C

C

it travels for a further

T

seconds with constant acceleration

3 a {m/s}^{2}

until it reaches a speed of

20 m/s

D

. Choose the correct option(s).
[Given that the distance between

A

D

675 m

]

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Speed and Velocity

PHYSICS

Watch in App

explore_more_icon

Explore more

Instantaneous Velocity

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon