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Four identical springs are used as part of a car's suspension system, one on each wheel. The springs compress by 8cm when the weight of the 1900 Kg car is applied to them.
a) What is the spring constant of each of the springs?
b) What will be the frequency at which the car will bounce?
c) If two of the springs break down and fall off, what will be the frequency at which the car will bounce.
A communications satellite with a mass of 400 is in a circular orbit about the Earth. The radius of the orbit is 2.8×10^4 as measured from the center of Earth. Compute the weight of the satellite on the surface of the earth.
A negative charge -0.550 µC exerts an upward 0.600 N force on an unknown charge 0.210 m directly below it. What is the unknown charge (magnitude and sign)
A solid sphere of mass m = 0.5 kg and radius r = 0.2 m, initially at rest, has a torque 9in units of N per m) applied to it about its CM. what is the angular velocity of the sphere
A spring with a constant k=42.3 N/m has a 2.10 kg mass attached to it. The mass is free to slide on a frictionless track parallel to the spring. What is the total energy in the system
when it is very far from the asteroid it will be traveling with speed 187 m/s. We have a large and powerful spring whose stiffness is 3.0 105 N/m. Explain how much must we compress the spring?
You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 22.7-m tall building, What is the angular acceleration of the drum
Two boxes sit side-by-side on a smooth horizontal surface. The lighter box has a mass of 5.96 kg, the heavier box has a mass of 7.46 kg. Calculate the contact force between these boxes
Three long wires (wire 1, wire 2, and wire 3) hang vertically. The distance between wire 1 and wire 2 is 20.0 cm.find the magnitude and direction of the current in wire 3
Draw labor market demand and supply graphs showing the change in labor demand and/or labor supply in the U.S. and in Mexico resulting from this program.
A large wheel is coupled to a wheel with half the diameter. How does the rotational speed of the smaller wheel compare with that of larger wheel? How do the tangential speeds at the rims compare (assuming the belt doesn't slip).
A puck of mass 80.0 g and radius 4.30 cm slides along an air table at a speed of 1.50 m/s, What is the Angular Speed about the center of mass
q1. a house is heated by a 24.0 kw electric furnace which uses resistance heating. the rate for electrical energy is
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