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A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.979 rad/s. You, with a mass of 70.3 kg, walk clockwise around the platform along its edge at the speed of 1.11 m/s with respect to the platform. Your 20.3-kg poodle also walks clockwise around the platform, but along a circle at half the platform\'s radius and at half your linear speed with respect to the platform. Your 18.5-kg mutt, on the other hand, sits still on the platform at a position that is 3/4 of the platform\'s radius from the center. Model the platform as a uniform disk with mass 90.9 kg and radius 1.81 m. Calculate the total angular momentum of the system.
A 300 g block on a 50.0 cm -long string swings in a circle on a horizontal, frictionless table at 60.0 rpm, What is the speed of the block
Calculate the mass of a solid gold rectanglar bar that has dimensions lwh = 4.20 cm x 12.0 cm x 30.0 cm. (the density of gold is 19.3x10^3 kg/m^3.)
A circular coil (500 turns, radius=.195m) is rotating in a uniform magnetic field. At t=0 s. Find the magnitude of the magnetic field at the location of the coil
A coffee filter of mass 1.4 grams dropped from a height of 2 m reaches the ground with a velocity of 0.6 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter.
Find out the edge dimension of each cube
Illustrate what is the average power of the elevator motor during this period? How does this amount of power compare with its power during an upright trip with constant speed?
A large tanker truck can carry 30 ton (30,000 lb) of liquid. (a) What volume of water can it carry? (b) What volume of gasoline can it carry.
A child and sled with the combined mass of 60.4 kg slide down a frictionless hill. If the sled starts from rest and has a speed of 13.4 m/s at the bottom, what is the height of the hill.
35.0g of copper pellets are removed from a 300?C oven and immediately dropped into 90.0mL of water at 25.0?C, What will the new water temperature be
find the magnitude of her centripetal acceleration. A small box is held in place against a rough vertical wall by someone pushing on it with the force directed upward at 27{rm ^circ} above the horizontal.
Tries 0/12 Calculate the magnitude of the electric field for the conducting sphere at a point 3.70 cm away from the center of the sphere.
An automobile cooling system holds 16 L of water. How much heat does it absorb if its temperature rises from 20C to 86C
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