Magnitude of the gliders velocity
The altitude of a hang glider is increasing at a rate of 6.80m/s. At the same time, the shadow of the glider moves along the ground at a speed of 15.5 m/s when the sun is directly overhead. Find the magnitude of the glider's velocity.
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A solid plastic sphere of radius 10.0 cm has charge with uniform density throughout its volume. The electric field 9.00 cm from the center is 75.0 kN/C radially inward. Find the magnitude of the electric field 15.0 cm from the center.
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A Carnot heat engine using 1 kg of air has the following conditions: heat addition beginning at 15 MPa and 1200 K. Determine the heat transfer into the cycle in KJ.
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