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a 900 kg car can accelerate from rest to90 kmh in 74 s what is the average power delivered by the
in a pool game the cueball which has an initial speed of 70 ms make an elasticcollision with the eight ball which is
in a certain binary-star system each star has the same mass whichis 16 times of that of the sun and they revolve about
the engine delivers 160 hp to an aircraftpropeller at 2100 revmina how much torque does the aircraft engine providen
a solid cylinder of mass m 27 kg radius r 029 m and uniformdensity is pivoted on a frictionless axle coaxial with its
an 80 kg man is one fourth the way up a 10m ladder that isresting against a smooth frictionless wall the ladder has a
sammy skier whos mass is 70 kg starts to slide down a 10degree slope on his new frictionless skis a strong horizontal
a 0060-kg handball is thrown straight toward a wall with a speedof 10 ms it rebounds straight backward ata speed of 92
a laser beam is directed at the moon 380000 rm km from earth the beam diverges at an angletheta of 74times10-5 radwhat
a string is 50cm long when ball is released from rest itswings along an arc how fast is it going at lowest point on arc
a sphere of radius 10 cm is dropped into a glass cylinder filledwith a viscous liquid the mass of the sphere is 120 g
an electron moves through a region of crossed electric and magneticfields the electric field e 2 000 vcm and is
a rc circuit consists of 20 m-ohm and c 2 milli-faradnbsp it started charging sometime ago with a 12-volt batterynbsp
a184 m diameter vat of liquid is 338 m deep the pressure at thebottom of the vat is 207 atm what is the mass of the
a 2 micro-farad and a 5 micro-farad capacitors were connected inseries to a 12 volt battery after the capacitors were
in a physics laboratory experiment a 600 kg box is pushed across a flat table by a horizontal force fa if the box is
the position of a particle is given by 025 cos 2513 t mwhere t is in s and theta is in radiansa what are the
you are riding in an elevator on the way to18th floor in your dormitory the elevator is accelerating upward with
a generator is connected to a resistor and a 0032-h inductor in series the rms voltage across the generator is 72 v
an object at rest on a flat horizontal surface explodes into two fragments one seven times as massive as the other the
a baseball outfielder throws a 150-kg baseball at a speed of 400ms and an initial angle of 30 degrees what is the
a particle is located at the vector position r400i600jmand a force exerted on it is given by f300i200jna what is the
an oscillating lc circuit consistingof a 20 nf capacitor and a 38 mh coil has a maximum volatage of60 vwhat is the
an underwater scuba diver sees the sun at an apparent angle of 45 degrees from the vertical what is the actual
a car with a mass of 950 kg and an initial speed of v1 224 ms approaches an intersection a 1300 kg minivan traveling