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a long uniform rope with a mass of 0120 kg per meter lies on the ground you grab one end of the rope and lift it at the
a hamburger chain advertises that it has sold more than 50 billion hamburgers estimate how many pounds of hamburger
a small piece of styrofoam packing material is dropped from a height of 180 m above the ground until it reaches
the drawing shows two boxes resting on frictionless ramps one box is relatively light and sits on a steep ramp the
a large wooden crate is pushed along a smooth frictionless surface by a force of 100n the acceleration of the crate is
a fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult the
a ball is thrown horizontally from a building what happen to the horizontal and vertical accelerations ignore the
an asteroid is moving along a straight line a force acts along the displacement of the asteroid and slows it down the
a bag of sugar weighs 500 lbs on earth what would it weigh in newtonrsquos on the moon where the free-fall acceleration
a cannon barrel makes an angle of 340o with the horizontal ground the cannonball is fired by a speed of 300 ms1 what is
a026-kg rock is thrown vertically upward from the top of a cliff that is 32 m high when it hits the ground at the base
pushing on the pump of a soap dispenser compresses a small spring when the spring is compressed 050 cm its potential
a 17000-kg airplane lands with a speed of 82 ms on a stationary aircraft carrier deck that is 115 m long find the work
you are standing on a sheet of frictionless ice and throw a ball of mass 0640 kg horizontally at a speed of 800 msec to
a small 297 g plastic ball is suspended by a 202cm long string in a uniform electric field of 1460 nc the acceleration
robert mugabe is playing in the bath he notices that wave crests pass his plastic toy duck every 12sgt he measures the
a 16 kg disk with radius 063 m is rotating freely at 55 rads around an axis perpendicular to its center a second disk
which of the following would have the highest power rating1 100 joules of energy used in 05 seconds2 500 joules of
a uniform 6-m ladder weighs 200 n the ladder leans against a frictionless wall at an angle 650 to the floor discover
an insulated thermos contains1120 cm3 of hot coffee at a temperature of 800 degc you put in 110 g of ice cube at its
a wheel with a rotational inertia of 50 kg m2 is rotating in a horizontal plane at 600 revmin a rim brake exerts a
in this experiment the period of a pendulum was gauged when the pendulums length varied between 20 cm and 100 cm at
a physicist wraps a long copper wire around a toilet paper roll and places the roll in a uniform magnetic field the
a diver comes off a diving board with arms straight up and legs straight down giving her a moment of inertia about her
a cart with mass 380 g moving on a frictionless linear air track at an initial speed of 13 ms undergoes an elastic