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Problem: You push your couch a distance of 6.0 m across the living room floor with a horizontal force of 225 N. The force of friction is 155 N.
Part A: What is the work done by you, by the friction force, by gravity, and by the net force?
I want help to compute the work done by you, by the friction force, by gravity, and by the net force.
A spherical conducting shell has 12 microcoulombs of positivecharge inside on it. The radii of the shell are r(inner)=12 cm and r (outer)=2r(inner). A particle of -4 microcoulombs is placed at the center of the shell.
assume that thermometer readings are normally distributed with a mean of 0 and a standard deviation of 1. a thermometer
A 2.0 kg ball swings in a vertical circle on the end of an 80cm long string. Calculate the speed, magnitude and direction of acceleration
question a ball is thrown at a 60.0deg angle above the horizontal across level ground. it is released from a height of
A charge of -3.0 nC is at the origin and a second charge of 13.0 nC is at x = 8.00 m. Find the magnitude and direction of the electric field halfway in between the two charges.
Suppose a car is traveling at +16.8 m/s, and the driver sees a traffic light turn red. After 0.569 s has elapsed, calculate the stopping distance of the car
Calculate the probability of an electron in the ground state of the hydrogen atom being inside the region of the proton. (For purposes of calculation, use a proton radius r = 0.990e-15 m. Hint: Note that r
a proton is released from rest in a uniform electric field of magnitude 385 nc. find a the electric force on the
steel train rails are laid in 12m long segments placed end to end. the rails are laid on a winter day when their
A Carnot engine is operated between two heat reservoirs at temperatures of 300K and 400K.
solar cells are often coated with a transparent thin film of silicon monoxide sio n 1.45 to minimize re?ective losses
find the magnitude of the initial acceleration. At what height above the surface of the earth does the balloon have a speed of 7.30 m/s.
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