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Some children go tobogganing on an icy hill. They start from rest at the top of the hill 12.0 m high. The toboggan and children have a combined mass of 94 kg. If friction is small enough to be ignored, apply the law of conservation of energy to determine:
a. The total mechanical energy of the toboggan at the top of the hill.
b. Find the gravitational energy at 3.0 m high.
c. Find the kinetic energy at 3.0 m high.
d. The speed of the toboggan at 3.0 m high.
Lightning occurs when there is a flow of electric charge (principally electrons) between the ground and a thundercloud. How much charge flows between the ground and the cloud
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A copper kettle contains water at 22.8° C. When the water is heated to its boiling point, Determine the volume of the kettle at 22.8° C
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A friend is standing on a giant skateboard that is initially at rest. If you avoid frictional effects with the floor, what is the momentum of the skateboard if your friend walks to the right on skateboard with a momentum of 150 kg.m/s? What is the..
Consider the following pipe assembly containing a permeable filter of length L=20cm, area A=20cm^2, and permeability of 4 millidarcys. what is the velocity of the flow through the filter section
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.122 N when their center-to-center separation is 60.8 cm. What was the negative charge on one of them
oppositely charged parallel plates are separated by5.29mm. a potential difference of 600 v exists between the plates.a
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