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the acceleration due to gravity becomes weaker by about three parts in ten million for each meter of increased
the 1st man to orbit the earth was soviet cosmonaut yuri gagarin on april 12 1961 his spacecraft vostok i was a sphere
a box slides down a frictionless 602 m high hill starting from rest at the bottom of the hill the box slides along a
what is the angle between a wire carrying 830 a and the 120 t field it is in if 500 cm of the wire experiences a
an airplane flying horizontally at an altitude of 183 km at a speed of 346 ms releases a packageaneglecting air
a a 0790 m long section of cable carrying current to a car starter motor makes an angle of 600deg with the earths 550
a 13900 kg truck is moving at 235 ms on a mountain road when the brakes are applied the brakes fail fortunately the
an 112 kg box is pulled at a constant velocity across a rough level floor by a 317 n force f directed 235o above the
the period of rotation of the moon is about 27 days 8 hrs the mass of the moon is 735 x 1022 kg and the radius of the
an electron moving at 420 103 ms in a 150 t magnetic field experiences a magnetic force of 140 10-16 n what angle does
a point on the rim of a 030-m-radius fan blade has centripetal acceleration of 035 ms2 find the centripetal
a bucket in an old well is hoisted upward by a rope which winds up on a cylinder having a radius of 0050 m how many
a ferris wheel rotating initially at an angular speed of 050 rads accelerates over a 60-s interval at a rate of 0040
a steel wire of length 198m with circular cross section must stretch no more than 0220cm when a tensile stretching
a 276g ball is tied to a string it is pulled to an angle of 500 degrees and released to swing as a pendulum a student
a particle moves along the x axis it is initially at the position 0210 m moving with velocity 0090 ms and acceleration
on a frictionless table a glob of clay of mass 042 kg strikes a bar of mass 198 kg perpendicularly at a point 039 m
in outer space a baseball of mass m 0140 kg travels at velocity vi 200 msec 500 msec 0 let the z-axis be up out of
an advertisement claims that a centrifuge takes up only 0127 of bench space but can produce a radial acceleration of
the planet saturn has a satellite calypso which travels in an orbit of radius 2950times108 m with a period of 189 days
a firecracker resting on a level street explodes into three pieces of equal mass immediately after the explosion the
a bullet is fired into a large stationary absorber and comes to rest temperature measurements of the absorber show that
two circular coils are concentric and lie in the same plane the inner coil contains 92 turns of wire has a radius of
a spaceship travels at constant velocity from earth to a point 745 ly away as measured in earths rest frame the ships
a car moving at 38 ms passes a highway patrol car moving at 24 ms the microwaves produced by the radar gun in the