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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
determine how much work must be done to stop a 49000 kilogram airplane landing at 250 kmh make sure you input the
a satellite is in circular orbit 230 kilometer above the surface of the earth it is observed to have a period of 89 min
a projectile is launched from a cliff that is 84m tall with an initial speed of 32ms at an angle of 25 degrees above
you are pushing a refrigerator across the floor of your kitchen you exert a horizontal force of 306 n for72 s through
a person has a piece of mass less string of length 06 m with a ball of mass 005 kg at the end of it the person starts
a 300 kg block starts from rest at the top of a 255deg incline and slides 200 m down the incline in 145 s1 discover the
a 271kg block traveling right at 346ms collides with a 580kgblock traveling left at 193msafter the collision the 271kg
1 compute the change in potential energy of an 828-kg man when he takes an elevator from the first floor to 26th floor
a18-kg block is pushed up against a spring whose force constant is650 nm compressing it 51 cm when the block is
a ball bearing is dropped from rest at a point a at the instant it passes a mark 48 m below a another ball bearing is
a ball is allowed to roll from rest down an inclined plane and the distances are marked every 19 s if the second mark
a spherical wave with a wavelength of 166 m is emitted from the origin at one instant of time the phase at r258 m is pi
a rope is stretched with a tension of 259 n the rope is of length 111 m with a mass of 197 g two pulses are formed at
a laser beam enters a 105 cm thick glass window at an angle of 680deg from the normal the index of refraction of the
a 030m radius tire accelerates from rest at a constant 20rads2 over a 50 sec interval what is the tangential component