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the average density of the planet venus is 5219 kgm3 the acceleration of gravity on its surface is 884 ms2 calculate
two cubes make from the same material the radiant energy per second emitted by the small cube 1l is 0675js what is the
a solid uniform marble and a block of ice each with the same mass start from rest at the same height above the bottom
two hockey players are traveling at velocities of v1 11 ms and v2 -20 ms when they undergo a head-on collision after
a proton orbits a long uniformly charged wire making 16times106 revolutions per second the radius of the orbit is 18 cm
how much force is the air exerting on the front cover of your textbook assume that the width and the length of the book
consider the collision between two hockey pucks in the figure below they do not stick together their speeds before the
two ice skaters face each other one is 100 kg and the other is 50 kg they push against each others palms and move apart
your cars speedometer works in much the same way as its odometer except that it converts the angular speed of the
the odometer mileage gauge of a car tells you the number of miles you have driven but it doesnt count the miles
a solid uniform marble and a block of ice each with the same mass start from rest at the same height h above the bottom
an airplane propeller is 218 m in length from tip to tip with mass 970 kg and is rotating at 2600 rpm revmin about an
a light string is wrapped around the outer rim of a solid uniform cylinder of diameter 750 cm that can rotate without
a 10000 kg empty railroad car moving at 3 ms collides with a loaded railroad car weighing 196000 n and couples with it
a 95-kg monkey is hanging by one arm from a branch and is swinging on a vertical circle as an approximation assume a
a force of 10n acts on a 5kg mass for a shot 05s duration what is the resulting velocity of the mass if it started with
there is a clever kitchen gadget for drying lettuce leaves after you wash them it consists of a cylindrical container
a 0060 kg tennis ball initially moving at a speed of 10 ms is struck by a racket causing it to rebound in the opposite
a small object with a momentum magnitude 60 kg ms approaches head on a target at rest the small object bounces straight
a large turntable rotates about a fixed vertical axis making one revolution in 500 s the moment of inertia of the
a uniform drawbridge must be held at a 365 degree angle above the horizontal to allow ships to pass underneath the
a uniform ladder 658 m long weighing 460 n rests with one end on the ground and the other end against a perfectly
four mirrors are at right angles to one another a light ray is incident on the first at an angle of 60 what is th angle
a highway curve with a radius of 650 m is banked properly for a car traveling 120 kmh if a 1560- kg porshe 928s rounds
a basketball is released from a height of 200 m above the floor and enters a basket that is 30 m above the floor the