Recent questions in 11th Physics

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)

0 votes

0 answers

A shell of mass 200 g is fired by a gun of mass 100 kg. If the muzzle speed of the shell is 80 m/s, calculate the recoil speed of the

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

0 votes

0 answers

In equilibrium of particle when net external force of the particle is zero. Then, the particle

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

0 votes

0 answers

Two forces `F_1= 3 hati - 4 hatj and F_2 = 2 hati - 3 hatj` are acting upon a body of mass `2 kg`. Find the force `F_3`, which when acts on the body will make it

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

0 votes

0 answers

Two equals forces are acting at a point with an angle of 60° between them. If the resultant force is equal to `40sqrt3 N`, the magnitude of each force

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

0 votes

0 answers

Three concurrent coplanar forces `1 N, 2 N and 3 N` are acting along different directions on a body can keep the body in equilibrium,

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

0 votes

0 answers

Three blocks with masses `m, 2m and 3m` are connected by strings, as shown in the figure. After an upward force `F` is applied on block `m`, the masses move upward at constant speed `v`. What is the net force on the block of mass `2m`? (Take, g is the acceleration due to

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

0 votes

0 answers

A ball of mass `1 kg` hangs in equilibrium from a two strings `OA and OB` as shown in figure. What are the tensions in strings `OA and OB`? (Take, `g=10

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

0 votes

0 answers

Given figure is the part of a horizontally stretched structure. Section AB is stretched with a force of `10 N`. The tension in the sections `BC and BF`,

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

0 votes

0 answers

Find the force exerted by `5 kg` block on floor of lift, as shown in figure. (Take, `g =

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

0 votes

0 answers

Three blocks `A,B and C` of masses `4kg,2 kg and 1 kg` respectively, are in contact on a frictionless surface, as shown in the figure. If a force of `14N` applied on the 4 kg block, then the contact force between A and B is

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

Recent questions in 11th Physics

Categories