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a bullet is fired with an initial speed of 800 ms from ground level at an angle of 600 degree above the horizontal the
a rocket initially at rest launches vertically from the earth with constant acceleration the rocket attains a speed of
q1 define the political economies of low income and high-income countriesq2 describe how governments impact global
a 323 gram silver bullet traveling at 973 mph strikes an armor plate and comes to a stop if all its energy is converted
a bungee cord is stretched between two poles 302 meters apart and it has a mass of 4399 grams if the force needed to
veronica can swim 30 ms in still water while trying to swim directly across a river from west to east veronica is
mubarak jumps and shoots a field goal from the far end of the court into the basket at the other end a distance of 276
a system of inertia 055nbspkg consists of a spring gun attached to a cart and a projectile the system is at rest on a
a brush fire is burning on a rock ledge on one side of a ravine that is 30 m wide a fire truck sits on the opposite
how do defibrillators work what care must the person administering the treatment take give other examples of medical
1 blocknbspawithnbspa mass of 10kg rests on 30 degreenbspinclinethenbspcoefficient of kinetic friction is 020 the
a hot air ballons is rising upward with a constant speeed of 300 ms when the ballon is 250m above the gound the
a mass of 10 kg is placed on an incline with friction and no additional forces acting on it and it begins to slide at
an object with a mass of 8 kg lies on a horizontal surface with friction with a coefficient of kinetic friction of 064
1 a 20000 lb car with a speed of 900 ms brakes to a stop how many calories of heat are generated by the brakes as a
the heat death of the universe seems to be a logical consequence of the second law of thermodynamics look for
the motor of a rocket produces a fairly constant force on the ship by ejecting hot gases through a nozzle at the rear
a squash ball dropped from a height of 8ft above the floor rebounds to a height of 3 feetnbspwith what velocity must
an object with a mass of 10 kg lies on a horizontal surface with friction with a coefficient of kinetic friction of 065
an object with a mass of 10 kg lies on a horizontal surface with friction with a coefficient of kinetic friction of
a mass of 10 kg lies on a horizontal surface with friction the coefficient of static friction is 11 one force is
when a 509-g tennis ball is served it accelerates from rest to a speed of 354 ms the impact with the racket gives the
a 1180-kg car is moving due east with an initial speed of 349 ms after 689 s the car has slowed down to 193 ms find the
a motorcycle with a mass of 46 kg is moving at a constant speed in a vertical circle of some radius the normal force at