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The density of ice is 917 kg/m^3, and the density of sea water is 1025 kg/m^3. A swimming polar bear climbs onto a piece of floating ice that has a volume of 5.2m^3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water?
determine the force exerted by the wood on the bullet.
A small sphere with a mass m = 0.150 kg is suspended by a light string from a vertical post mounted at the edge of a merry-go-round with a radius R = 0.440 m. Calculate the speed of the sphere
To simulate gravitation effects in space, you design a large cylindrical space station with a radius of 200m. Calculate the Rotational Kinetic Energy of the Station
There are some people who believe that Earth has a twin that orbits directly opposite the sun with exactly the same orbital elements and in the saem direction and thus unseen from Earth. The two planets are exactly 180 degrees opposed when they oc..
Assume a uniform mass distribution before and after. Icm for a solid sphere of uniform density is 2/5 mr2.
A 100 kg shot-putter pushes a forward and upward force on a 4 kg shot with a force of 1000N, Calculate the vertical and horizontal components of this resultant force
How long would it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 335m.
A 1 uF capacitor is charged when it is connected across a 9 V battery, Find the final charge and the voltage across the plates for the 1 uF and 2 uF capacitor
After hitting a long fly ball that goes over the right fielder's head and lands in the outfield, the batter decides to keep going past second base and try for third base. how much work was done on the player by friction
An electron in a 1-D box of length 0.100 nm, Find the energies of the four lowest states that have energies above the ground states
A gas enclosed in a container fitted witha piston ofcross-sectional area .10m^2. If 42 J of energy is added to the system by heat duringthe expansion what is the change in internal energy of the system
One mole of an ideal gas does 2 600 J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm, Determine the initial volume of the gas
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