Home
Class 11
PHYSICS
A car moving on a straight road accelera...

A car moving on a straight road accelerates from a speed of 4.1 m/s to a speed of 6.9 m/s in 5.0 s. What was its average acceleration?

A

`0.56m//s^(2)`

B

`1.56m//s^2`

C

`5.6m//s^2`

D

`1.2m//s^2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A vehicle moving in a straight road has its speed changed from 5 m/s to 8 m/s in 2 sec. What is its average acceleration ?

A car is moving on a straight road covers one third of the distance with a speed of 30 km/h and the rest with a speed of 50 km/h. The average speed of the car is

Find average speed of 40m/s and 50m/s.

A car moves a distance of 100 m. It coveres first half with speed of 10 m/s and another half with speed of v m/s. If the average speed of car is 18 m/s, then value of v is

An auto travelling along a straight road increases its speed from 30.0 m s^(-1) to 50.0 m s^(-1) in a distance of 180 m. If the acceleration is constant, how much time elapse while the auto moves this distance?

A particle moves in a straight line with constant speed of 4 m//s for 2 s, then with 6 m//s for 3 s. Find the average speed of the particle in the given time interval.

An object is moving in a circle of radius 100 m with a constant speed of 31.4 m//s . What is its average speed for one complete revolution

A car starts moving on a straight road. It makes the entire journey in three parts. The total time of journey is 25 s. For first part it accelerates at a constant rate 5m//s^(2) . For second part it moves with a constant speed. For the third part it retards at constant rate 5m//s^(2) to come to rest. If the average speed for entire journey is 20 m/s, time period of first part of journey is

Consider a car moving on a straight road with a speed of 100m//s . The distance at which car can be stopped is [mu_k=0.5]

Consider a car moving on a straight road with a speed of 100m//s . The distance at which car can be stopped is [mu_k=0.5]