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in a pool game the cue ball which has an initial speed of50ms make an elastic collision with the eight ball which is
an electric car accelerates for 80 s by drawing energy from its300-v battery pack during this time1190 c of charge
a cat walks 80 m north 50 m east and then 60 m south what is the magnitude of the cats displacement from the starting
use the work-energy theorem to solve each of these problems youcan use newtons laws to check your answers neglect air
a uniform solid metal disk of mass 610 and diameter 290 hangs in a horizontal plane supported at its center by a
a light bulb is wired in series with a 134-omega resistor and they are connected across a120-v source the power
when connected to a 10 volt battery a capacitor stores 5 10-4 j of energy how much energy would this capacitor store
if a mass is hung from a spring whose spring constant is 2 pounds per foot stretches the spring 04 meters ma what is
three capacitors are connected in series the equivalentcapacitance of this combination is 303microf two of the
a particle is uncharged and is thrown vertically upward from ground level with a speed of 250 ms as a result it attains
two students on roller skates stand face-to-face then push each other away one student has a mass of 99 kg and the
an insulating sphere of radius r010 m has a uniform surface charge density equal to 59 mcm2 a point charge ofmagnitude
in a single slit experiment the distance between two dark fringes of the second order is 10 cm on a screen which is 15
a projectile is fired at an angle of 550 degrees above the horizontal with the initial speed of 350 ms what is the
a moving particle encounters an external electric field that decreases its kinetic energy from 8920 evto 7400 ev as the
two satellites are in circular orbits around a planet that has radius one satellite has mass 880 orbital radius
a uniform solid metal disk of mass 690 and diameter 260 hangs in a horizontal plane supported at its center by a
the distance between the plates of a parallel plate capacitor with air between the plates is 9 mm the capacitor is
in the treatment of spine injuries it is often necessary to provide some tension along the spinal column to stretch the
a swing is made from a rope that will tolerate a maximum tension of800102 n without breaking initially the swing
two tiny conducting spheres are identical and carry charges of -207 muc and 517 muc they are separated by a distance of
assume a ball is spherical in shape with a 4 inch radius if the ball solid made from crystal with a density of 5000
the density of ice is 092 gcm3 and the density of seawater is 103 gcm3 a large iceberg floats in artic waters what