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Which one of the following statements concerning simple harmonicmotion is FALSE?
(A) The maximum speed occurs at the equilibrium position.(B) The maximum magnitude of acceleration occurs at the points ofmaximum distance from the equilibrium position.(C) The magnitude of the restoring force is proportional to thedisplacement.(D) The restoring force acts in the opposite direction to thedisplacement.(E) The total energy of the oscillating system is proportional tothe displacement from equilibrium squared.
A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20 deg. above the horizontal
A helium-neon laser (?=633 nm) illuminates a diffraction grating. What is the spacing between slits of the grating
A performer seated on a trapeze is swinging back and forth with a period of 8.85 s. what will be the new period of the system
A dynamite blast at a quarry launches a rock straight upward, and later it is rising at a rate of 15m/s. Assuming air resistance has no effect on the rock, calculate the total time the rock is in the air.
A 7.0kg hammer strikes a nail at a velocity of 8.6m/s and comes to rest in a time interval of 8.0 ms, estimate the average force acting on the nail
An elevator and its load have a combined mass of 1450 kg, Find the tension in the supporting cable when the elevator, originally moving downward at 11 m/s
The potential for a mass hanging from a spring is V(y)=ky^2/2+mgy, when y=0 corresponds to the position of the spring when nothing is hanging from it. Find the frequency of small oscillators around the equilibrium point.
In a collision between an alpha particle and an electron, what general considerations limit the momentum transfer
A plane, diving with constant speed at an angle of 54.0° with the vertical, releases a projectile at an altitude of 890 m. The projectile hits the ground 6.00 s after release. What is the speed of the aircraft
A double convex lens (convex on both sides) is made of glass with an index of refraction of 1.60. What is the magnitude of the larger radius
A mass m1 = 17.0 kg and a mass m2 = 10.5 kg are suspended by a pulley that has a radius of 9.8 cm and a mass of 3.1 kg, determine the tension in the right cord
A 1010 kg car and 4600 kg truck undergo a perfectly inelastic collision. Find the velocity of the wreckage immediately after the collision
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