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Two identical marbles of mass m and radius R sit in a glass beaker as shown below. Thediameter of the beaker is 3R. Express your answers in terms of m, g and numericalconstants. Hint: Draw FBDs of each marble starting with the upper marble.
a. Determine the force on the lower marble by the left-hand wall of the beaker.
b. Determine the force on the lower marble by the bottom of the beaker.
a person who weighs 641 n is riding a 94.0 n mountain bike. suppose the entire weight of the rider and bike is
A large storage tank with an open top is full to a height h0. The tank is punctured at a height h above the bottom of the tank. Discover an expression for how far from the tank the exiting stream lands. (Let d be the horizontal distance the stream of..
Over a time interval of 1.89 years, thevelocity of a planet orbiting a distant star reverses direction,changing from +20.0 km/s to -17.7 km/s. Find the following values, include the correct algebraic sign with your answers to convey the directions..
Two small objects, A and B, are fixed in place and separated by 2.97 cm in a vacuum. Object A has a charge of +2.16 microC, How many electrons must be removed from object A
A fisherman throws the anchor off her boat at an angle of 3.0°above the horizontal. If the anchor weighs 4.0 times as much as she does and the boat moves with speed 3.0 m/s during the launch, how fast did she throw the anchor? (Solve for her frame of..
Unpolarized light is incident on a series of two Polaroid sheets. The intensity of the light emerging from the second sheet is 18.4 percent of the intensity of the light incident on the first sheet. Find out the angle between the transmissions axe..
The string on a string bass vibrates at a fundamental frequency of 54 Hertz. If the string's tension were increased by a factor of 5, find what would be the new fundamental frequency
Suppose a satellite is in a circular orbit 3.0 Earth radii above the surface of the Earth (3.0 Earth radii from the center of the Earth). By how much does it have to increase its speed in order to be able to escape Earth?
A nail gun fires a nail into a piece of wood. The nail is going a velocity of 6.8 m/s right before entering the wood. The mass of the nail is .06kg. what is the average force on the nail by the wood
A car is designed to get its energy from a rotating flywheel by a radius of 1.50 m and a mass of 400kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 5000 rev/min. How much energy is ..
find the centre of mass of bent road
For the circuit shown in the following figure both meters are idealized, the battery has no appreciable internal resistance, and the ammeter reads 1.19 A. What does the voltmeter read
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