Physics High School Class NEED HELP

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Article #340

#340

From: Mark G. Munsell
Date: Wed, 05 Jan 2000 00:00

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I had two questions I could not solve, if anyone can help I would really
appreciate it.

1. A lawn roller is rolled across a lawn by a force of 115 N along the
direction of the handle, which is 22.5 degrees above the horizontal. If
George develops 64.6 watts of power for 90 seconds, what distance is the
roller pushed?

2. An engine moves a boat through the water at a constant speed of 15 m/s.
The engine must exert a force of 6000 N to balance the force that water
exerts against the hull. What power does the engine develop?

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From: "Mark G. Munsell" <middlemgm@lvcm.com>
Subject: Physics High School Class NEED HELP
Date: 2000/01/05
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