# What is a block of mass 2 kg moving with?

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## What is a block of mass 2 kg moving with?

A block of mass 2 kg is moving with speed v0 towards a massless unstreched spring (K=10N/m). It is found that for maximum speed v0=√6.4m/s, the block compresses the spring, stops at that position and does not return back. Friction coefficient at surface is μ=1x.

## When an object is moving on a horizontal frictionless surface?

When an object moves over a rough surface and it offers frictional force in the opposite direction of motion. Due to this opposition object stop after covering a certain distance. Thus when an object moves along a frictionless surface there is no opposition and no unbalanced force acts on it, so it will move uniformly.

## What is a block of mass 2 kg initially at rest moves under?

A block of mass 2 kg initially at rest moves under the action of an applied horizontal force of 6 N on a rough horizontal surface. The coefficient of friction between block and surface is 0.1. The work done by the applied force in 10 s is (Take g=10 ms−2).

## What is the formula of moving mass particle?

He writes : m = mₒ / (1 – υ ²) ⅟² Guess where to put the missing c. A famous relation in physics relates ‘moving mass’ m to the ‘rest mass’ m0 of a particle in terms of its speed v and the speed of light, c. (This relation first arose as a consequence of special relativity due to Albert Einstein).

## What is frictionless surface in physics?

In physics, a frictionless surface refers to an ideal surface that does not experience any type of friction.

## What is frictionless movement?

Meaning of frictionless in English without any friction (= the force that makes it difficult for an object to slide across or move through something): Cartilage covers the ends of the bones in our joints and permits nearly frictionless movement.

## What is a frictionless plane in physics?

Assuming that the plane is frictionless means that the plane does not exert any force on the block that is parallel to the surface. Therefore, any force exerted by the plane on the block must be perpendicular to the surface.

## What is a 2.2 kg block starts from rest on a rough inclined plane that makes an angle?

A 2.2 kg block starts from rest on a rough inclined plane that makes an angle of 25° with the horizontal The coefficient of Kinetic friction is 0.25. As the block goes 2.0 m down the plane, the mechanical ener of the Earth-block system changes by. Was this answer helpful?

## What are the two forces a body of mass 2.0 kg is placed on a smooth horizontal surface?

Two forces Fi = 20 N and F, = N are acting on the body in directions making angles of 30° and 60° to the surface. The reaction of the surface on the body will be F1 30° 2 kg 160°…

## What is the work done to move an object of mass 2 kg to a height of 50 m?

=2×10×50=1000J.

## Why is rest mass of photon zero?

The photons are said to be chargeless and massless particles that travel at the speed of light. So the rest mass of a photon is taken to be zero. This can be proved from Einstein’s special theory of relativity. Hence the photons have a rest mass of zero.

## What is the real formula of mass?

The different varieties of ways to determination of the mass of an object are there: (m= ρ/V) Mass = Density/Volume. (m=F/a) mass = force acceleration, the acceleration of an item is directly proportional to the force applied to it, according to Newton’s second law (F=ma).

## What is the formula of rest mass?

One of the terms in the relativistic kinetic energy equation is the rest-mass of the particle and its given by E=mc^2. The rest-mass energy is the energy that is stored inside a stationary particle as a result of its mass. Rest-mass energy implies that mass is simply another form of energy.

## What does a block of mass 2 kg placed on a floor experience?

A block of mass 2 kg placed on a floor experiences an external force in horizontal direction of 20N, frictional force of ON and normal force of 20N. The body travels a distance of 10m under the combined effect of all these force.

## How does a 2 kg body move under the action of a force?

Under the action of a force , a 2 kg body moves such that its position x as a function of time t is given by , x=t^2/3 , where x is in metre and t in seconds.

## What is a point object of mass 2 kg connected to?

A point object of mass m=2 kg is connected to a cylinder of radius R=1 m via a massless inextensible rope. At time t=0 the object is moving with an initial velocity v0=5 m/s perpendicular to the rope as shown in the figure. The rope has initial length L0=10 m and having non zero tension.

## What is the kinetic energy of a block of mass 2kg?

Kinetic energy=p22m=4.522×2=5.06 J. Q. A block of mass 2 kg is free to move along x-axis. It is at rest and t=0 on wards it is subjected to time dependent force F(t) in the x-direction.