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in the figure below a crowbar is used to lift a weight if a down ward force ofnbsp247nbspn is applied to the end of the
a tennis ball of massnbsp584nbspnbsp10-2nbspkg initially moving at a speed ofnbsp280nbspms hits a wall and rebounds
radio waves are electromagnetic waves that travel at a speed ofnbsp300nbspnbsp108nbspms the speed of light an am radio
a 78 kg baseball player jumps straight up to catch a hard-hit ballif the 140 g ball is moving horizontally at 23 ms and
a cyclist coasts up a 119deg slope traveling 210 m along the road to the top of the hill if the cyclists initial speed
a pendulum clock is accurate on earth where the period of its pendulum is 100 sa find its period on the moon where
a sphere of radius r starts from rest and rolls without slipping along a curved surface dropping through a vertical
a 1100 kg particle starts from the origin at time zero its velocity as a function of time is given by v 7t2 icirc 1tj
a ferris wheel has a vertical height from the bottom of the wheel to the top of 10 m and a rotates uniformly at the
1a 0650kg ball with a diameter of 12cm begins at rest and rolls down an incline the angular acceleration of the ball is
two copper blocks each of massnbsp198nbspkg initially have different temperaturest1nbspnbsp17degnbspc
a uniform rectangular sign of width 526 cm height 334 cm and negligible thickness hangs vertically from supporting
a point on the a string of a guitar oscillates in approximately simple harmonic motion with a frequency of 238 hz and
find the magnitude of the magnetic field at the center of a 37-turn circular coil with radius 133 cm when a current of
a simple pendulum is made is made by tying a 200kg stone to a string 400m long the stone is started with an angle 60
a sound wave has a frequency of 655 hz in air and a wavelength of 049 m what is the temperature of the air assume the
a force of 2000 n is exerted on a 1000 n object the object moves a distance of 300 m how much work was done on the
a high-pass filter consists of a 168nbspmufnbspcapacitor in series with a 120 ohmnbspresistor the circuit is driven by
a ball with a mass of 105 grams is accelerated from rest to 111 ms in 171 milliseconds what is the average impulse in
a shopper pushes a grocery cart 200m at a constant speed on level ground against a 350 n fictional force he pushes in a
suppose a planet with three times the mass of earth is orbiting a star that has three times the mass of the sun at an
assignmentwrite a 5 pages paper only on the african american view of the perspectives of paul use the african american
the purpose of the social systems paper will address the social systems of insects including the symbiotic
assignment1 in civilization and its discontents what does freud say are the three main sources of human suffering and