Recent questions tagged chapter5

0 votes

0 answers

According to Galileo’s experiment for a double inclined plane that are smooth, when a ball is released from rest on one of the planes rolls down and climb up the other of decreased slope, the final height of the ball

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

Which of the Newton’s laws of motion explain the concept of

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

If a running bus stops suddenly, our feet stop due to friction, but the rest of the body continues to move forward due

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

Suppose the earth suddenly stops attracting objects placed near surface. A person standing on the surface of the earth

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

When a car is stationary, there is no net force acting on it. During pick-up, it accelerates. This happens due

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

A smaller and a bigger iron balls are dropped from a small height on a glass pane placed on a table. Only bigger ball breakes the glass pane,

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

A rocket is going upwards with accelerated motion. A man sitting in it feels his weight increased 5 times his own weight. If the mass of the rocket including that of the man is `1.0 xx 10^4 kg`, how much force is being applied by rocket engine? (Take, `g = 10

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

The motion of a particle of mass m is described by `y=ut + gt^2`, find the force acting on the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

A bullet of mass `0.04 kg` moving with a speed of `90 ms^(-1)` enters a heavy wooden block and stopped after `3s`. What is the average resistive force exerted by the block on the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

A body of mass `6 kg` is acted on by a force so that its velocity changes from `3 ms^(-1)` to `5 ms^(-1)`, then change in momentum

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

While launching a satellite of mass `10^4 kg,` a force of `5 xx 10^5 N` is applied for `20s`. The velocity attained by the satellite at the end of `20s,`

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

The momentum p (in `kg-ms^(-1)`) of a particle is varying with time t (in second) as `p= 2 + 3t^2`.The force acting on the particle at `t=3 s` will

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

A machine gun fires a bullet of mass `40 g` with a velocity of `1200 ms^(-1)`. The man holding it can exert a maximum force of `144 N` on the gun.How many bullets can be fired per second at the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

The force `F` acting on a particle of mass `m` is indicated by the force-time graph shown below. The change in momentum of the particle over the time interval from `0` to `8s`

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

A particle of mass `m` is moving in a straight line with momentum `p`. Starting at time `t = 0`, a force `F= kt` acts in the same direction on the moving particle during time interval `T,` so that its momentum changes from `p` to `3p`. Here, `k` is a constant. The value of `T`

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

A constant retarding force of `50 N` is applied to a body of mass `20 kg` moving initially with a speed of `15 ms^(-1)`. How long time does the body take to

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

A batsman hits back at ball straight in the direction of the bowler without changing its initial speed of `12ms^(-1)`. If the mass of the ball is 0.15 kg, find the impulse imparted to the ball. (Assume linear motion of the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

The force-time (F -t) graph for linear motion of a body initially at rest is shown in figure. The segments shown are circular, the linear momentum gained in `4 s`

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

Every action has an equal and opposite reaction, which suggests

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

0 votes

0 answers

An initially stationary device lying on a frictionless floor explodes into two pieces and slides across the floor. One piece is moving in positive `x`-direction then other piece is moving

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

Recent questions tagged chapter5

Categories