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a 55 kg swimmer is standing on a stationary 175 kg floating raft. the swimmer then runs off the raft horizontally with a velocity of + 3.7 m/s realtive to the shore. Find the recoil velocity that the raft would have if there were no friction and resistance due to the water.
What will the traveler weigh on another planet. Two wires are identical, except that one is aluminum and one is iron. The aluminum wire has a resistance of 0.18 . What is the resistance of iron wire.
In a marathon race, Chad is out in front, running due north at a speed of 3.95 m/s. John is 92 m behind him, running due north at a speed of 4.53 m/s. How long does it take for John to pass Chad
You have a pure (24-karat) gold ring with mass 17.0 g, how many protons are in the ring and what is their total positve charge
An air puck of mass m1 = 0.15 kg is tied to a string and allowed to revolve in a circle of radius R = 1.1 m on a frictionless horizontal table. What is the horizontal force acting on the puck
A motorcycle has a constant speed of 24.0 m/s as it passes over the top of a hill whose radius of curvature is 131 m. The mass of the motorcycle and driver is 348 kg.
Draw a free body diagram for each situation and find the magnitude of the larger of the two individual forces in units of N. Find out the magnitude of the smaller of the individual forces in units of N.
A beetle and a spider are sitting on a hinged door. The beetle is in the middle of the door and the spider is near the handle, what is the angular speed and tangantial Speed of the spider
When point charges q1 = +6.8 ?C and q2 = +5.3 ?C are brought near each other, Determine the distance between the charges
Illustrate a basketball momentum vectors
Determine and explain the ways a corporation can use advanced Excel tools such as MIN and MAX statement, conditional formatting, and additional tools that have found to manage their business finances.
A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is 6.6 m above the ground
A satellite is rotating around a planet in a circular orbit. The radius of the orbit to the center of the planet is R = 2.4*107 m, Express the magnitude of the centripetal acceleration of the satellite ac in terms of the speed of the satellite v, an..
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