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A simple pendulum consists of a 4kg mass attached to a 3m long rope. At t=0 it is moving to the right at 0.4m/s.
What is the maximum angle to which it swings?
What is the angular frequency of the oscillation?
What is the period of the oscillation?
To stretch a certain spring by 2.50cm from its equilibrium position requires 9.00J of work, What was the maximum force required to stretch it by that distance
The pilot of an airplane travelling 170 wants to drop supplies to flood victims isolated on a patch of land 200 below. The supplies must be dropped how many seconds before the plane is directly overhead.
Block 1, of mass = 0.500 , is connected over an ideal (massless and frictionless) pulley to block 2, of mass , as shown. Assume that the blocks accelerate as shown with an acceleration of magnitude = 0.300 and that the coefficient of kinetic frict..
You throw a ball vertically upward so that it leaves the ground with velocity 6.05 m/s. (a) What is its velocity and direction when it reaches its maximum altitude? magnitude m/s
250 kg ball is dropped to the floor from a height of 1.0 m and upon rebounding, reaches a height of .60 m. What is the impulse delivered to the ball by the floor?
A 2.65 kg object is moving in a plane, with its x and y coordinates given by x = 2t2 - 3 and y = 2t3 + 6, where x and y are in meters and t is in seconds. Find out the magnitude of the net force acting on this object at t = 2.00 s.
You have decided to make a large cooler to store meat. Calculate the net rate of heat flow per second out of the cooler if the interior temperature is 5 C and the exterior temperature can be 45 C
The edge of a cube consist of equal resistors of resistance R, that are joined at the orners, let a battery be connected to two opposite corners of a face of cube. what is the efective resistance.
A wheel consists of 20 thin spokes, each with mass 0.070kg , attached to a rim of mass 4.4kg and radius 0.85m. Find its rotational inertia
A particle has a charge of 600 o C and a mass of 0.6 nkg. This particle is placed in a uniform electric field of 1,200 N/C. Find the a) electrostatic force acting on the mass. If the particle is free from rest what is its acceleration.
A generator rotates at 88Hz in a magnetic field of 2.6×10?2T . It has 1200 turns and produces an rms voltage of 120V and an rms current of 57.0A, What is the area of each turn of the coil
A rotating cylinder about 25 km long and 9 km in diameter is designed to be used as a space colony. with what angular speed must it rotate so that residents on it would experience the same acceleration due to gravity as on earth? In radians per se..
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