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What would happen if you dropped a marshmallow on a Neutron star? Neutron stars have about the same mass as our sun, but have a much smaller diameter, only about 20km.
(a) How much energy would the marshmallow gain after falling a distance of 1m?
(b) Compare this amount of energy to the largest atomic bomb ever tested in the United States, the Castle/BravoA????1 hydrogen bomb which has a yeild of about 15 megatons of TNT. (1 megaton of TNT is equivalend to 4.2 A????1 1015J)
You close the top of your straw with your thumb and lift the straw out of your glass containing Coke. How large is the error (in per cent) if you neglect the air in the straw
An astronaut at rest on Earth has a heartbeat rate of 75 beats/min. When the astronaut is traveling in a spaceship at 0.89c, what will this rate be as measured by the following: an observer also in the ship, an observer at rest on Earth
A heat engine takes in 400J of energy from a hot reservoir and performs 35J of work in each cycle. obtain the energy expelled to the cold reservoir in each cycle
Coasting along at 9.00 m/s, a 60.0 kilogram bicyclist on an 8.50 kilogram bicycle encounters a hill. obtain how much work was done on the bicyclist and her bike
Write an equation for a wave with a frequency of 2Hz, a wavelength of 30 m, and an amplitude of 75 cm
It has been suggested that rotating cylinders about 9 meter long and 5.4 meter in diameter be located in space and used as colonies. Obtain what angular speed must such a cylinder have
A charge of +Q is fixed in space. A second charge of +q was first placed at a distance r1 away from +Q. What is the charge in the potential energy of charge
assume that the positively charged particle starts at point a with an initial velocity in the positive x-direction.
while taking photographs in death valley on a day when the temperature is 56.0degc bill hiker finds that a certain
Determine how far a car travels in three seconds in the positive direction of x if its initial velocity is (2i) m/s and its acceleration is (4i + 3j) m/s2
Consider again the problem of a car traveling along a banked turn. Sometimes roads have a "reversed" banking angle. That is, the road is tilted "away" from the center of curvature of the road. If the coefficient of static friction between the tires a..
An object has a kinetic energy of 237 J and a momentum of magnitude 29.3 kg·m/s. Find the speed and the mass of the object
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