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A 2.5 kg solid sphere (radius = 0.10m) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.75 m high and 5.6 m long. When the sphere reaches the bottom of the ramp, what are
(a) its total kinetic energy,
(b) its rotational kinetic energy, and
(c) its translational kinetic energy?
An ateroid in an elliptical orbit about the sun travels at 3.6 x 10^6 m/s at perihelion (the point of closest approach) at a distance of 2.7 x 10^8 km from the sun. How fast is it traveling at aphelion (the most distant point), which is 9.0 x 10^8km..
A straight object of length 3.6 cm lies along the central axis of a spherical mirror with focal length 9.2 cm. What is the length of its image in the mirror
A 30 g ball of clay is thrown horizontally at 20 m/s toward a 1.7 kg block sitting at rest on a frictionless hi surface. The clayts and sticks to the block. What is the speed of the block and clay right after the collision?
If the incident angle from the air is 30 degrees and the refracted angle within the glass in 20 degrees what is the index of refraction of the glass plate
Pure silicon is used as a photon detector. An incoming photon canstrike the surface and excite electrons from the valence band tothe conduction band, where they can be counted.
q1. why do cities directly east of the rockies such as denver colorado receive more precipitation than cities east of
Light from an argon laser strikes a diffraction grating that has 5330 grooves per centimeter. Determine the wavelength of the laser light
question1if you drop a rock from a height of 7.1 m it accelerates at g and strikes ground 1.20374 s later.if you drop
q1. a spring with spring constant 12.5 hangs from the ceiling. a 400 ball is attached to spring and allowed to come to
A series RCL circuit has a resonant frequency of 750 kHz, what is the value of the inductance?
q1. what must the charge sign and magnitude of a particle of mass 1.47 g be for it to remain stationary when placed in
a target in a shooting gallery consists of a vertical square wooden board, 0.25m on a side and with mass 0.75kg, what is the angular speed of the board just after the bullets impact
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