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A military helicopter on a training mission is flying horizontallyat a speed of 60.0 {\rm m/s} and accidentallydrops a bomb (fortunately not armed) at an elevation of300 {\rm m}. You can ignore air resistance.
a. How much time isrequired for the bomb to reach the earth?b. How far does ittravel horizontally while falling?c. Find thehorizontal component of its velocity just before it strikes the earth.d. Find thevertical component of its velocity just before it strikes the earth.
the triceps muscle in the back of the upper arm extends the forearm. this muscle in a professional boxer exerts a force
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The pressure in ideal gas is cut in half slowly, while being kept in a container with rigid walls. In the process, 265 kJ of heat left the gas (a) how much work was done during the process. (b) what was the change in internal energy of the gas dur..
What is wave number
A rescue helicopter lifts a 90-kg person straight up by means of a cable, What is the tension in the cable and How much work is done by the tension in the cable
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