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The 6-lb steel cylinder A and the 10-lb wooden cart B are at rest in the position shown when the cylinder is given a slight nudge, causing it to roll without sliding along the top surface of the cart. Neglecting friction between the cart and the ground, determine the velocity of the cart as the cylinder passes through the lowest point of the surface at C.
In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotati..
Lunar astronauts placed a reflector on the moon's surface, off which a laser beam is periodically reflected, What percent accuracy is this, given the average distance to the moon is 3.84
A golf ball of mass 0.045 kg is hit off the tee at a speed of 35m/s . The golf club was in contact with the ball for 3.90×10?3s. Find the impulse imparted to the golf ball
A ball is thrown vertically upward with a speed of 25.7 m/s. It takes 2.622 seconds to reach its highest point. How long does it take the ball to reach the ground
The distance to a point source is increased by a factor of3. By what amount does the intensity level decrease
Does it seem fortuitous that most of the successful physicists who helped unravel the secrets of atomic structure (Thomson, Rutherford, Bohr, Geiger, and Moseley) worked either together or in close proximity in England? Why do you suppose we don't..
A 3.0 kg block slides along a horizontal, frictionless surface at 5.0 m/s the block hits an ideal spring with spring constant 2500 N/m. What is the maximum distance that the spring gets compressed
A gas contained in a cylinder by a layer of styro foam is quickly compressed, the temperature rising several hundred degrees. Has there been a transfer of heat?
in music two notes are said to be an octave apart when one note is exactly twice the frequency of the other. suppose
Calculate the classical momentum of a neutron traveling at 0.997c, neglecting relativistic effects
A damped mass-spring system oscillates at 275-Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 3.20cm and the energy of the oscillating system is then 32 J.
As a baseball is being caught, its speed goes from 31 to 0 m/s in 0.005 seconds. The mass of the baseball is 0.145 kg. What is the force acting on the ball
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