Recently Active Mechanics Questions

*Image* ...

Q=1> A ship travelling at 10m/s. A dolphin at 5m/s along a line parallel to that of the ship and at a distance of 30 metre from it. The visibility is 50 metre. Find the maximum time for which the dolphin will be visible fr ...

A block moves down an incline with a constant velocity. What is the force exerted by the incline on the block ? ...

A block moves down an incline with a constant velocity. What is the force exerted by the incline on the block ? ...

*Image* ...

Q. A body of mas m is thrown at an angle to the horizontal with an initial velocity vo. Assuming air drag to be negligible, momentum increment lΔpl that the body acquires during the tth second of its motion is (A) mg/4 (B) m ...

Consider a case we r standing on earth and a ball is moving with a velocity v0.... so its energy is=1/2mv2.......... now when we are standing on a platform which is moving with a velocity v0, so as we see the ball is moving w ...

*Image* ...

*Image* ...

1)Consider a solid cube of uniform charge density.What is the ration of the electrostatic potential at a corner to that at the center?(Take the potential to be zero at infinity) 2)A motorcyclist wishes to travel in a circle o ...

*Image* ...

IF FRICTION AND NORMAL FORCES ARE COMPONENTS OF CONTACT FORCES [as given in HC Verma ],then when horizontal component [ ie friction ] increases , vertical component [ ie Normal force ] decreases ..therefore they should be ind ...

*Image* ...

How to find center of mass of a cone ...

what exactly is constraint equation? ...

*Image* ...

*Image* ...

How to find constraint equation. ...

two billiard balls of the same mass and size are in contact on a billiard table... a third identical ball strikes them symmetrically and remains at rest after the impact.... the cofficient of restitution between the balls is- ...

*Image* ...

*Image* ...

Kindly help in solving this problem: A particle is placed on a rough plane inclined at an angle theta, where tan θ = μ = coefficient of friction(both static an dynamic). A string attached to the particle passes through a sm ...

*Image* ...

hey ppl./..wen we calculate the rate of propagation of energy(ie,power) across a moving wave.....we take only the sin component and say that sin \Theta = tan \Theta \Theta is very small and is equal to ∂y/∂x..... ie the f ...

2 particles start together from a pt. O and slide down straight smooth wires inclined at 30° and 60° to the vertical plane and on the same side of the vertical through O. The relative acceleration of second w.r.t the first ...

*Image* ...

A mass spring system oscillates such that the mass moves on a rough surface having coefficient of friction μ.It is compressed by a distance a from its normal length and on being released it moves distance b from equilibrium ...

*Image* The track is frictionless. The block B of 4kg is lying at rest & block A of 2kg is pushed along the track with some speed. The collision between A & B is perfectly elastic. With what velocity should A start such that ...

Ques1) A particle is moving with a const speed in a circular path. Show thatn the ratio of avg velocity to it's instantaneous velocity when the particle describes an angle theta = pie/2 is 2 2 / pie. ...

1. plane moves due east at 60 km/h over a city X at a certain time. 12 mins lateranother plane takes off from the station Y which is 40 km due north of the city and flies 37° south of east . if both maintain their direction ...