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A rock is thrown from the roof of a building with a velocity v(0) at an angle alpha(0) of from the horizontal. The building has height h. You can ignore air resistance.
Calculate the magnitude of the velocity of the rock just before it strikes the ground.
A simple pendulum consists of a ball connected to one end of a thin brass wire. Determine the change in the period of the heated pendulum
The four tires on the author's car are inflated to an absolute pressure of 2.8 multiply.gif 105 Pa.what is the contact area between each tire and the ground
a man sitting in a bosun's chair that dangles from a massless rope, which runs over a massless frictionless pulley, In each of the four cases, what is the force exerted on the ceiling by the pulley system
A 1.0-kg block is pushed up a rough 22° inclined plane by a force of 7.0 N acting parallel to the incline. Determine the magnitude of the force of friction acting on the block
Consult to explore a model for solving this problem. A person pushes on a 55-kg refrigerator with a horizontal force of -280 N; What is the magnitude of the largest pushing force
When in deep space, the block accelerates at 4.2 m/s^2 even as a 120 N force is applied to it. The coefficient of static friction for a particular plane and this block is 0.31. What angle can this plane make with horizontal before the object starts t..
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.0919 N when their center-to-center separation is 52.3 cm. find the positive charge in coulombs on the other
q1. after falling from rest from a height of 35 m a 0.58-kg ball rebounds upward reaching the height of 26 m. if the
The specific heat capacity of the material use to make the block is C resolve the temperature rise that results from the collision in terms of C and the other given quantities.( suppose that no energy is transferred to the track or the surrounding..
One of Saturn's moons has an orbital distance of 1.87 x 108 m. estimate a mass for the planet Saturn
A balloon is initially stationary and full of air. The air in the balloon has a mass of 2 g. What speed does the balloon have
What is the resulting compressional force on the Earth. what is the acceleration of a rock at top of its trajectory when it has been thrown straight upward.
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