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Problem:
A spring of constant k = 100 N/m hangs at its natural length from a fixed stand. A mass of 3 kg is hung on the end of the spring, and slowly let down until the spring and mass hang at their new equilibrium position.
The spring is now pulled down an additional distance x and released from rest. What is the period of oscillation for the mass?
A electric wire with 3.85A current is placed in a magnetic field of strength .97T. What is the force on the wire
q1. what is the acceleration of two falling sky divers mass 109.0 kg including parachute when the upward force of air
You wish to reduce the intensity of a beam of 1-MeV gamma rays from 5.12 x 10^7 per second to 2 x 10^5 per second. What thickness of aluminum is required
In a game of football outdoors on a cold day, a player will begin to feel exhausted after using approximately 8.0 × 105 J of internal energy. What is the magnitude of the heat that he has lost
A 50.40 kg keg of beer slides upright down a 3.05 m long plank leading from the back of a truck 1.16 m high to the ground. Determine the amount of work done on the keg by gravity
what is the magnitude of the electric field at the point 3.20i - 2.25j 3.85k m if the electric potential is given by v
A potential difference of 1.50 V will be applied to a 40.0 m length of 18-gauge copper wire (diameter 0.04 in.), find the rate at which thermal energy will appear in the wire
You are asked to design a spring thatwill give a 1050kg satellite a speed of 2.00 m/s relative to anorbiting space shuttle. What must the force constant of the spring be
a motor spins an 2 kg block around on an 80 cm arm at 200 rpm. the blosk is supported by a steel table after the motor
A 380-kg sailboat has an acceleration of 0.636 m/s2 at an angle of 65.5 ° north of east. Find the direction of the net force that acts on the sailboat
A coffee cup heater and a lamp are connected in parallel to the same 120-V outlet. Find the resistance of the lamp
A satellite circling the earth has an average power consumption of 305.0 W. Assuming 5.6% efficiency for conversion of solar energy to electrical energy
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