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two 11 centimeter diameter charged disks face each other 22 centimeter apart both disks are charged to -20 nc find what
the speed of a bobsled is increasing because it has an acceleration of 328 ms2 at a given instant in time the forces
a flea is able to jump straight up about 038 meter it has been said that if a flea were as big as a human it would be
an extra solar planets orbit has a semi major axis of 211 au the eccentricity of the orbit is 0010 find what is the
an elevator is supported by a steel cable recall that the tension in any cable rope or string is just the force with
1 the average distance an electron travels between collisions is 20 mum find what acceleration must an electron have to
if it takes 407 joule of work to stretch a hookes law spring 109 centimeter from its unstressed length find the
when responding to sound the human eardrum vibrates about its equilibrium position assume an eardrum is vibrating with
a 100 kilogram log is pulled along a horizontal surface with frictional force 300 n opposing the motiona if the applied
a 150 kilogram kid on a 300 meter long swing is released from rest when the ropes of the swing create an angle of 330
a 780 gram bullet moving at 620 ms penetrates a tree trunk to a depth of 65 centimetera use work and energy
a 730 kilogram base runner begins his slide into other base when he is moving at a speed of 35 ms the coefficient of
during a rodeo a clown runs 80 meter north then turns 55o north of east and runs 35 meter then after waiting for the
a space vehicle is coasting at a constant velocity of 196 ms in the y direction relative to a space station the pilot
a rectangular coil composed of 58 turns of wire has an area of 16 cm2 and carries a current of 21 amp when the plane of
the coil has an area of 15 x 10-3 m2 50 turns and a resistance of 160 ohm during the time while it is rotating a charge
a wire of resistance 60 ohm is connected to a battery whose emf is 40 v and whose internal resistance is 10 ohma find
a ball is thrown directly downward with an initial speed of 875 ms from a height of 304 meter find after what time
the magnitude of the electrostatic force between two same ions that are separated by a distance of 50 x 10-10 meter is
when a wheel is rotated through an angle of 35o a point on the circumference travels through an arc length of 25 meter
a block is on an incline with a height h of60 m use the principle of conservation of mechanical energy to compute the
a specific satellite was placed in a circular orbit about 140 meter above the eartha determine what is the orbital
a 52 gram bullet moving at 672 ms strikes a 700gram wooden block at rest on a frictionless surface the bullet emerges
two equally charged particles are held 39 x 10-3 meter apart and then released from rest the initial acceleration of
two tiny spherical water drops with the same charges of -720 x 10-17 c have a center-to-center separation of 14