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a 7350 kg satellite has an elliptical orbit the point on the orbit that is farthest from the earth is called the apogee
a 12 g bullet travelling at 420 ms is fired into the middle an unlatched 320 kg door the door in hinged on one end is
when you are learning to juggle two balls one in your right hand and the other in your left hand you are told to throw
nate the skate was an avid physics student whose main non-physics interest in life was high-speed skateboarding in
a round loop of diameter 12 cm carrying a current of 040 a is placed inside a magnetic field 020 t 040 t the normal
the magnetic field of an electromagnetic wave has a peak value of 50 times 10-10 t what is the intensity of the wave c
a piston-and-cylinder machine contains 05 kg of steam at 60 bar and 360 c the steam expands adiabatically to 15 bar and
for the superball in the previous question if it was in contact with the table for 32 ms calculate the average force
the small piston of a hydraulic lift has a cross-sectional area of 330 cm2 and its large piston has a cross-sectional
an object of mass 21 kg is moving in the negative x direction at a velocity of 26 ms it experiences the force shown
as an acapulco cliff diver drops to the water from a height of 48 m his gravitaional potential energy decreases by
a cook puts 540 g of water in a 200-l pressure cooker that is then warmed to 460degc what is the pressure inside the
two wires are identical except that one is silver resistivity 159times10-8 middotm and the other is platinum
in state-of-the-art vacuum systems pressures as low as 100 10-9 pa are being attained calculate the number of molecules
the mass of a gas molecule can be computed from its specific heat at constant volume cv take cv 0023 calgdegc for
imagine you are an astronaut who has landed on another planet and you want to determine the free fall acceleration on
a 020 kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring
a uniform rod of mass 320times102 and length 0430 rotates in a horizontal plane about a fixed axis through its center
a bowling ball of mass 1 kg hits a spring with velocity 1 ms the spring constant is also 1 how convenient what is the
which medical diagnostic methods require using a nuclear reactor or an acceleratora spect scan pet scanb x-ray mri
a textbook of mass 205 kg rests on a frictionless horizontal surface a cord attached to the book passes over a pulley
a bowling ball of mass 1 kg drops onto a spring from 02 meter height the spring constant is also 1 what is the velocity
capacitors c1 504 uf and c2 205 uf are charged as a parallel combination across a 286 v battery the capacitors are
on apollo moon missions the lunar module would blast off from the moons surface and dock with the command module in
suppose a planet is discovered orbiting a distant star with 11 times the mass of the earth and 111 its radius how does