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Draw a motion diagram for the train. Assume that the train is moving toward the right and starts to slow down at t = 0. The separation of each dot represents an elapsed time of one second. Include velocity vectors and the acceleration vector in your drawing. Keep in mind that the acceleration of the train has a magnitude of 5 {\rm m/s^2}.
A 2.80 kg gold bar at 98 degrees celcius is dropped into 0.34 kg of water at 23 degree celcius. what is the final temperature? assume the specific heatof gold is 129 J/kg
A 47.60 g golf ball is driven from the tee with an initial speed of 56.0 m/s and rises to a height of 28.4 m. (a) avoid air resistance and determines the kinetic energy of ball at its highest point. (b) What is its speed while it is 8.02m below it..
Finally is the length is unchanged but the mass is equal to 0.500kg find the period T of the pendulum that is independent of the angle.
An object has a kinetic energy of 313 J and the momentum of magnitude 24.1 kg·m/s. Find out the speed and the mass of the object.
A 2.50g bullet, travelling at a speed of 395m/s, strikes the wooden block of a ballistic pendulum. The block has the mass of 265g. How high does the combination rise above its initial position.
When verticaly falling sand hits a horizontally moving cart, the cart slows. avoid any friction between the cart and the tracks. Give two reason for this, one in terms of a horizontal force acting on the cart, and one terms of momentum conservatio..
A 0.60 kg mass vibrates according to the equation where x is in meters and t is in seconds. find out (a) amplitude, (b) frequency, (c) total energy, and (d) kinetic energy and potential energies when x = 0.30 m.
Establish the Force required to raise a 25.50 kg object by 2 pulleys, the diameter of larger circular pulley is 12.0 cm and the smaller pulley is 8.5 cm.
All through an experiment, a block of wood with a mass of 250 g is placed on an inclined plane. While the plane is raised to an angle of 43o, the block slides down the plane at a constant speed.
A ball dropped from a height of 4.00 m makes an elastic collision with the ground. Assuming no mechanical energy is lost due to air resistance, a) show that the ensuing motion is periodic, b) find the period of the motion.
What is the coefficient of static friction
For the motion along the inclined plane, should the maximum kinetic energy of the cart be equal to the potential energy of the compressed spring (under ideal conditions)?
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