A weightlifter lifts a barbell with a mass of 15 kg. Each lift covers a distance of 0.6 m and takes 1.6 seconds. Calculate the power exerted by the weightlifter

Aspring with a mass of 2 kg has a damping constant 14 kg/s. a force of 3.6 n is required to keep the spring stretched 0.3 m beyond its natural length. the spring is stretched 0.6 m beyond its natural length and then released. find the position of the mass at any time t. (assume that movement to the right is the positive x-direction and the spring is attached to a wall at the left end.)

Identify the type of synthetic material used in each object

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied