Determine work should the total external force
A 6100-kg satellite is in a circular earth orbit that has a radius of 2.7x10^7 m. A net external force must act on the satellite to make it change to a circular orbit that has a radius of 5.6x10^6 m. What work must the net external force do?
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The charges on the objects have equal magnitudes. Because of these charges, the spring stretches by 0.038 m relative to its unstrained length. Determine (a) the possible algebraic signs and (b) the magnitude of the charges.
A grasshopper jumps a horizontal distance of 1.50 m from rest, with an initial velocity at a 47.0° angle with respect to the horizontal. (a) Find the initial speed of the grasshopper. (b) Find the maximum height reached m.
How much work is required to bring three protons, initially infinitely far apart, to a configuration where each proton is 1.5*10^-15 m from the other two? (This is a typical separation for protons in a nucleus.) The units it is asking for is MeV
The catapult on an aircraft carrier can take an aircraft from 0 to 215 mph in 12 seconds, at which time the aircraft launches. Express the launch speed in SI units (meter-kilogram-second system; not km/hr).
(a) Calculate the apparent distance between the fish and the front wall. (b) Calculate the apparent distance between the image of the fish and the front wall.
A point charge with charge q1 = 3.60e-6 is held stationary at the origin. A second point charge with charge q2 = -4.10e-6 moves from the point (0.150m , 0) to the point (0.270m , 0.290m ). How much work W is done by the electric force on the movin
The train moves counterclockwise, soon attaining a constant speed of 0.700 relative to the tracks. Find the magnitude and direction of the angular velocity of the disk relative to the earth.
How far away from you is this car when its taillights appear to merge into a single spot of light because of the effects of diffraction?
There is no buildup of charge inside the box. After 10 seconds has elapsed, how much charge has flowed out of the box through the blue wire?
An ambulance moving at 42 m/s sounds its siren whose frequency is 450Hz. A car is moving in the same direction as the ambulance at 25 m/s. What frequency does a person in the car hear (a) as the ambulance approaches the car? (b) After the ambulanc
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