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a block of mass 46 kg slides 15 m from rest down an inclined plane making an angle of 28 o with the horizontal if the
coherent light of frequency 640times1014hz passes through two thin slits and falls on a screen 890cmaway you observe
a 100g of mass on a spring undergoes simple harmonic motion with amplitude of 25 cma what is the maximum speed of the
1- a hydraulic jack for changing car tires is designed with a primary cylinder the one you push down on 1 cm in
a projectile is projected from the origin with a velocity of 300 ms at an angle of 45 degrees above the horizontal what
a victorious 92 kg hockey player moving initially at a spped of 32 ms skates by the trophy table and snatches up the
an ordinary drinking glass is filled to the brim with water 2450 ml at 205degc and placed on the sunny pool deck for a
in fresh water sound travel at a speed of 1460ms in the cold air sound travel in speed of 331ms suppose that an
a rifle is test fired into a ballistic pendulum the bullet embeds itself in the block of mass 055kg that makes up the
a derive the equations used in this problem based on forces and the experiment on specific gravity a cylinder of solid
1 a solid disk of radius 160 m and mass 230 kg rolls without slipping to the bottom of an inclined plane if the angular
a thin cable 2m long with a mass of 100g is fixed at both ends its tension is 20n a standing wave is excited on the
the gauge pressure at the bottom of a reservoir is 50 times what it is at a depth of 21 m how deep is the
a hydraulic jack is made with a small piston 11 cm in diameter that is used to move a large piston 53 cm in diameter if
a block of mass mb is attached to one end of a spring and is sliding on a horizontal frictionless surface the other end
a certain heat engine does 120 kj of work and dissipates 800 kj of waste heat in a cyclical processa what was the heat
a how much waste heat is produced by an electrical power station that uses 100 1014 j of heat input with an efficiency
a 250 g lead bullet traveling at 560 ms strikes a target converting its kinetic energy into thermal energy its initial
a person wearing the shoes has a mass of 65kg a estimate the pressure exerted on a floor by one pointed heel of area
what is atmospheric pressure on top of mt everest on a day when water boils there at a temperature of
a what is the average kinetic energy of hydrogen atoms on the 5500degc surface of the sunjb what is the average kinetic
suppose that the earths orbit around the sun is perfectly circular at some instant in time the sun suddenly loses 14 of
a comet of mass m following a trajectory that is a a parabola about the sun collides with an equal mass at rest and
a stockroom worker pushes a box with mass 600kg on a horizontal floor with a constant speed of 250ms the coefficient of
a cube is floating in a lake it is observed that 04 m of the cube is underwater with the remaining 01 m above the