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A small object of radius r and mass m is released at the edge of a round bowl with radius R>>r and rolls toward the bottom.
a) What fraction of the kinetic energy is rotational if the object is (1) a marble, (2) a coin, and (3) a point particle (i.e r=0)?b) At the bottom of the bowl, what is the normal force on the object, in units of mg, if it is (1) a marble, (2) a coin, (3) a point particle?
Two astronauts floating at rest with respect to their ship in space decide to play catch with a3-kg asteroid. What is Joe's speed right after his first catch
In a typical living cell, the electric potential inside thecell is 0.070 V lower than the electric potential outside the cell. The thicknes of the cell membrane is 010 μm. What is the magnitude and direction of the electric fieldwithin the cell m..
A person walks in the following pattern: 9.8 km north, then 9.8 kmwest, and finally 3.0 km south. Constructthe vector diagram that represents this motion and from it judge how far and in what direction a bird would fly in a straight line from the ..
A force of 250 N is applied to a hydraulic jack piston that is0.01 m in diameter. If the piston which supports the load hasa diameter of 0.10 m, how much mass can be lifted
A planet in another solar system orbits a star with a mass of 4.0×1030 kg. At one point in its orbit it is 250×106 km from the star and is moving at 35km/s.Take the universal gravitational constant to be 6.67 × 10−11 m2/s2 · kg andcalculate the se..
Oxygen gas having a volume of 1.00 liter at 40.0 celsius and a pressure of 1.00 atmosphere expands until its volume its 1.50 liters, FInd the number of moles of oxygen
A car travels with an initial velocity of 2 meters per second, at initial position of 0 meters with an accerleration of 2 meters per second at time of 2.0 seconds
In a college parking lot, the number of ordinary cars is larger than the number of sport utility vehicles by 85.7%. Find the number of SUVs in the lot
the green block b has a mass of 13.40 kg and is moving to the left at a speed of 3.50ms. the red block a has a mass of
To help you think about how illuminance varies with distance, suppose a small light source is placed at the center of two transparent spheres. how much of the light passes through the first sphere
a skateboard with mass M rolls down a ramp, starting from rest. It takes a time T to roll a distance L along the ramp
A small 12.3 g plastic ball is tied to a very light 28.6 cm string that is attached to the vertical wall of a room, Find the magnitude and direction of the electric field in the room
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