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a 70 kilogram trunk is pushed 42 meter at constant speed up a 30 degree incline by a constant horizontal force the
at t 0 q0 9 c and i 0 in an lc circuita at the first moment when the energy is shared similarly by the inductor and
a wood block weighing 130n rests on an inclined plane the coefficient of kinetic friction among the block and the plate
in a rear-end collision the automobile that is accelerated to a velocity v in 001 s what is the minimum velocity at
a bowling ball encounters a 0760 meter vertical rise on the way back to the ball rack neglect frictional losses and
a person rides a motorbike 190 m along a road that slants upward at 90 o from the horizontal1 how far has the rider
a baseball of mass 145 gram leaves the pitcheracutes hand at 966 mih but due to air resistance it arrives at home plate
a 80 kilogram person standing erect steps off a 23 meter high diving platform and begins to fall from rest the person
an object is placed 120 centimeter in front of a convex mirror the image being 660 centimeter behind the mirror a
the creation of elements in the early universe and in the stars involves proton tunneling through nuclei obtain the
four ropes are tied to a stake and each is pulled toward a compass direction n s e or w a force of 7 n is applied to
a baseball leaving the bat at 46o at a height of 12 meter from the ground clears a 3 meter high wall 125 meters from
a 2-omega and a 6-omega resistor are connected in series with a 24-v battery of internal resistance 5-omega what is the
a mass m 44 kilogram is attached to a vertical spring with k 202 nm and is set into motiona determine what is the
a what is the magnitude of the gravitational force that the earth exerts on the moonbnbsp what is the magnitude of the
a golf ball of mass 0045 kg is hit off the tee at a speed of 40 ms the golf club was in contact with the ball for 53
a 480 kilogram cannon fires a 11 kilogram cannonball with a speed of 200 ms relative to the muzzle the cannon are on
if the ball is in contact with the players head for 20 milliseconds obtain what the average acceleration of the
a skateboarder shoots off a ramp by a velocity of 71 ms directed at an angle of 51deg above the horizontal the end of
a 67 kilogram soccer player jumps vertically upwards and heads the 045 kilogram ball as it is descending vertically
you tie a cord to a pail of water and you swing the pail in a vertical circle of radius 0900 meter determine what
how many calories are absorbed by a sample of water with a mass of 500 grams as it changes from 50 degrees c to 56
an 840 gram bullet has a speed of 113 kms determine what is its kinetic energy in
a student moves a box with mass of 350 kilogram up a ramp inclined at 12o with the horizontal if the box starts from
a record was set for stair climbing when a person ran up 1600 steps of the empire state building in 10 minutes 59