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Consider a solid sphere, mass = 4.0 kg, that is spinning with an angular velocity of 23 radians/second.The diameter of the sphere is 0.20 meters. Determine the angular kinetic energy.
A spring stiffness 900 N/m and relaxed length 1m stands vertically on a table. You hold a block of mass 1 kg barely touching the top of the spring. Assume you let the mass down onto the spring certain distance very slowly and view the mass is not mov..
An unmarked police car, travelling a constant 94 km/h, is passed by the speeder travelling 153 km/h. precisely 0.70 s after the speeder passes, policeman steps on the accelerator. If the police car's acceleration is 2.30 m/s^2, how much time elapses ..
A 0.020-kg bullet is shot horizontally and collides with a 1.35-kg block of wood. The bullet embeds in the block, what was the original speed of the bullet
orville walks 318 m due east. He then continues walking along the straight line, but in a different direction, and stops 164 m northeast of his starting point. How far did he walk during the second portion of trip and in what direction.
The concepts for finding the change in length of a rod.
The gravitational acceleration on the Moon is a sixth of that on Earth. The weight of an apple is 1.03 N on Earth. (a) What is the weight of the apple on the Moon? (b) What is the mass of the apple?
A block is placed at the end of the frictionless ramp and is pulled up the ramp through a solid ball on the end of a string that passes over a frictionless pulley that does not affect the motion of the block or ball. The ramp is 3.40 meters long and ..
Find out the angular momentum and angular speed of the disk. what is the magnitude of the force (in mN) between the two charges.
What is the wavelength of radio waves. An electron in a TV is accelerated toward the screen across a potential difference of 54.2kV. How much kinetic energy does the electron gain while accelerating.
The incident electron loses energy The incident electron emits an x-ray.
On a frictionless horizontal air table, puck A (with mass 0.253kg ) is moving toward puck B (with mass 0.372kg ), What was the speed vAi of puck A before the collision
A vented tank of large cross-sectional area has a horizontal pipe .12m in diameter at the bottom. The tank holds a liquid whose density is 1500 kg/m^3 to the height of 4.0 m.
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