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A spring of spring constant 11,000N/M is compressed by a block of mass 3kg is released from rest at the top of the incline plane. the friction coefficient between the block and the surface of the incline is 0.2. the block comes to rest momentarily after it has compressed the spring by 5 cm
a) how far has the block moved down the incline?
b) what is the speed of the block jsut as it touches the spring?
find the work done by the field on the electron. What is the change in potential energy associated with the electron.
If the average frequency emitted by a 200,-, rm W light bulb is 5.00 times 10^ {14}, {rm Hz}, and 10.0 percent of the input power is emitted as visible light, about how many visible-light photons are emitted per second.
Photons of wavelength 490 nm are incident on a metal. What is the work function of the metal
how much time passes before the police car overtakes the speeder after the speeder passes (assumed moving at constant speed).
Find out the total work done on the car by the external forces.
Capacitors C1 = 6.03 ?F and C2 = 2.45 ?F are charged as a parallel combination across a 298 V battery, Calculate the resulting charge on capacitor C1 and C2
During spin-dry cycle of a washing machine, the motor slows from 90 rad/s to 30 rad/s while the turning the drum through an angle of 180 radians. What is the magnitude of the angular acceleration of the motor.
A small compass is held horizontally, the center of its needle a distance of 0.140 m directly north of a long wire that is perpendicular to the earth's surface, What direction does the current in the wire flow, toward or away from the earth's surfa..
The displacement of an object moving under uniform acceleration is some function of time and the acceleration. Suppose we write this displacement as s=ka^mt^n, where k is the dimensional constant. Show by dimensional analysis that this expression ..
Compute the amplitude and phase at the observation screen
A flea jumps straight up to a maximum height of 0.470 m. What is its initial velocity v_0 as it leaves the ground.
A block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. It has a mass of 213 g. When placed in water, the block sinks. What volume of water did it displace.
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