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A 49.5 kg boy jumps on a 4.95 kg pogo stick with spring constant 3650 N/m
(a) Find the angular frequency.
(b) Find the frequency
(c) Find the period of the boy's motion.
A 3.00 x 102-kg piano is being lifted at a steady speed from ground level straight up to an apartment 10.00 m above the ground. The crane that is doing the lifting produces a steady power of 4.00 x 102 W. Explain by how much time does it take to li..
A 0.04 kg bullet collides in elastically with a 0.5 kg ballistic pendulum. Before the collision the pendulum was at rest but immediately after collision the pendulum is moving with speed of 13.6 m/s. How fast was the bullet travelling before the coll..
A 53.0 kg cheerleader uses an oil-filled hydraulic lift to hold four 130 kg football players at a height of 1.30m. what is the diameter of the football players' piston
A rigid rod of mass 3.50 kg and length of 1.50 m rotates in a vertical (x,y) plane about a frictionless pivot through its center. Determine the size of the angular acceleration of the system
W hat is the magnitude of an average force exerted on the superball by the sidewalk. what is force caused by the water on the bottom.
A charged capacitor is connected to an inductor. At time t = 0 the charge on the capacitor is Q = 6 %u03BCC. find the amplitude of the current at that same instant
What is the magnitude of F if box is speeding of with a constant acceleration of 0.18 m/s2.
If the spring stretches by 2.4cm, what is the coefficient of static friction between the backpack and the table.
An electron travels with speed 1.0*10^7 m/s between two parallel charged plates. The plates are separated by 1.0 cm, What is the direction of the magnetic field
A ball is thrown directly upward with an initial velocity of 10 m/s. how long is the ball in the air
A 1,216-kg car drives through a turn with radius 42 m. The coefficient of static friction is 0.9 and the coefficient of kinetic friction is 0.52. find the maximum speed (constant) at which the car can negotiate the turn
A current with sinusoidal time-dependence, whose peak value is 3.55 A and frequency is 775 cycles per second, Calculate the average power dissipated by the loop
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