Home
Class 11
PHYSICS
The rear side of truck is open and a box...

The rear side of truck is open and a box of mass 50kg is placed at 3.2m away from the open end. The co-efficient of friction between the box and the surface is 0.2. If the truck starts from rest and moves on a straight road with acceleration `2.1ms^(-2)` the box falls off the truck after a time `(g=10ms^(-2))`

A

`(8)/(sqrt41)`

B

4s

C

8s

D

`sqrt8s `

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

The rear side of a truck is open A box of 40kg mass is placed 5m away from the open end as shown in The coefficient of friction between the box and the surface is 0.15. On a straight road, the truck starts from rest and accel erating with 2m//s^(2) . At what dis tance from the starting point does the box dis-tance from the starting point does the box fall from the truck? (Ignore the size of the box) .

The rear side of a truck is open and a box of mass 20kg is placed on the truck 4m away from the open end mu = 0.15 and g = 10m//s^(2) The truck starts from rest with an acceleration of 2m//s^(2) on a straight road The box will fall off the truck when it is at a distance from the starting point equal to .

The rear side of a truck is open and a box of mass 2 kg is placed on the truck 8 meters away from the open end. mu = 0.1 and g = 10 m//s^(2) . The truck starts from rest with an acceleration of 2 m//s^(2) on a straight road. The box will fall off the truck when it is at distance from the starting point equal to

A block of mass 1 kg is placed on a truck which accelerates with acceleration 5ms^(-2) . The coefficient of static friction between the block and truck is 0.6. The frictional force acting on the block is

A box is placed on the floor of a truck moving with an acceleration of 7 ms^(-2) . If the coefficient of kinetic friction between the box and surface of the truck is 0.5, find the acceleration of the box relative to the truck

A block of mass 1kg lies on a horizontal surface in a truck. The coefficeint of friction between the block and surface is 0.5. If the acceleration of the truck is 6ms^(-2) the acceleration of the block relative to ground is

A block of mass 1 kg lies on a horizontal surface in a truck. The coefficient of static friction between the block and the surface is 0.6. If the acceleration of the truck is 5m//s^2 , the frictional force acting on the block is…………newtons.

A block of mass 1 kg lies on a horizontal surface in a truck. The coefficient of static friction between the block and the surface is 0.6. If the acceleration of the truck is 5m//s^2 , the frictional force acting on the block is…………newtons.

The distance travelled by a particle starting from rest and moving with an acceleration 3 ms^-2 , in the 5th second is.

The coefficient of friction between the tyres and road is 0.4. The minimum distance covered before attaining a speed of 8 ms^(-1) starting from rest is nearly ( take g=10 ms^(-2) )