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A solid wood door 1.00 m wide and 2.00 m high is hinged alongone side and has a total mass 40.0 kg. Initially open and at rest, the door isstruck at its center by a handful of sticky mud with mass 0.500 kg,traveling perpendicular to the door at 12.0 m/s just before impact. Find the final angular speed of the door in rad/s. Does the mud make a significantcontribution to the moment of inertia?
What is the longest wavelength of light that may be absorbed by a hydrogen atom that starts in the second excited state
A car is slides down an icy driveway that slopes at an angle of 20 degrees. What is an acceleration of the car? Assume that the friction between tires and the icy pavement is negligible.
A movig particle encounters an external electric field that decreases its kinetic energy from 9740 eV to 5690 eV as the particle moves from position A to position B. Determine the charge of the particle
Light is incident from one medium with an index of refraction of 2.29 at an angle of 29.12 degrees with respect to the normal to the surface. The light then passes into another medium with a refractive index 1.44. With what angle is the light refr..
Amy and Jessie are on a camping trip near a river. Jessie is floating on an inner tube raft, What angle does Amy's boat have to make so that she can follow the path straight to the island
A golf ball of mass 0.045 kg is hit off the tee at a speed of 32m/s . The golf club was in contact with the ball for 3.10×10?3s. Find the impulse imparted to the golf ball
The patellar tendon attaches to the tibia at the tibial tuberosity. The tibial tuberosity is 8 cm from the center of the knee joint. how large is the force in the patellar tendon
At t=0, the displacement x(0) of a block attached to a spring is -850 cm. The block's velocity v(0) is then -.920m/s, what is the abgular frequency of this system
A research submarine has a 10-cm-diameter window that is 8.5cm thick. What is the submarine's maximum safe depth in salt water
What is the peak emf of the generator when its coil rotates at a frequency of 50 Hz? Find out the frequency of the coil's rotation when the peak emf of the generator is 163 V.
A golfer imparts a speed of 29.3 m/s to a ball, and it travels the maximum possible distance before landing on the green. What is the longest "hole in one" that the golfer can make, if the ball does not roll when it hits the green
Steam at 200 (psia) and 600 ( ? F) [state 1] enters a turbine through a 3-inch-diamter pipe with a velocity of 10 (ft)(s)? 1 . The exhaust from the turbine is carried through a 10-inch-diameter pipe and is at 5 (psia) and 200 ( ? F) [state 2]. What i..
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