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Problem:
A pendulum of mass 0.4kg and length 0.6 m is pulled back and released from and angle of 10o to the vertical. This same pendulum is taken to another planet where its period is 1.0 second. What is the acceleration due to gravity on this planet?
A soccer ball is kicked with an initial horizontal velocity of 16.0 m/s and an initial vertical velocity of 18.0 m/s. How far from where it was kicked will the ball land
The record for the highest speed achieved in a laboratory for a uniformly rotating object was 2.01e3m/s for a 0.15m long carbon rod
A spring, of negligible mass and which obeys Hooke's Law, supports a mass M on an incline which has negligible friction. The figure below shows the system with mass M in its equilibrium position. The spring is attached to a fixed support at P. The..
A heat engine operates among 40°C and 380°C. Being a real engine, its efficiency is only 60 percent of that theoretically possible for a Carnot engine at these temperatures. If it absorbs heat at a rate of 60 kW, at what rate does it exhaust heat?
question monochromatic light of wavelength 510 nm is incident on a diffraction grating with 5000 linescm. what is the
A dam is used to block the passage of a river and to generate electricity. Approximately 5.73 x 10^4 kg of water fall each second through a height of 19.6 m. I one half of the gravitational potential energy of water were converted to electrical energ..
in an electrically heated home the temperature of the ground in contact with a concrete basement wall is 12.0 oc. the
An elevator company is installing a new elevator that must be able to carry a 2000kg load to a height of 85m withon 30 s. What must the power rating of the electric motor be?
Assume the magnitude of the electric field on each face of the cube of edge L = 1.01 m, Determine the net electic flux through the cube
How much work is done by the horizontal force F_p = 150 N on the 18 kg block of the figure when the force pushes the block 5.5 m up along the 32 degree frictionless incline
A projectile is fired with an initial speed of 61.7m/s at an angle of 31.9^\circ above the horizontal on a long flat firing range. Determine the maximum height reached by the projectile
you swing a 3.00 kg stone in a circle using the full length of a thin 75.0cm rope. at what speed should you swing it so
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