According to this equation, F=ma, how much force is needed to accelerate an 82-kg runner at 7.5m/s2?

A.

615 N

B.

10.9 N

C.

615 m/s

D.

10.9 m/s

A 10 ohm resistor has 5 a current in it. what is the voltage across the resistor?

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A strip of land conneted to the shore, but then is eroded away by waves. it a column of land is left behind, it is called a

An upward force is applied to a 6.0-kilogram box. This force displaces the box upward by 10.00 meters. What is the work done by the force on the box?

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If a man walks 17m east and then 17m south, the magnitude of the man's displacement is

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Studies of gymnasts show that their high rate of injuries to the Achilles tendon is due to tensions in the tendon that typically reach 12 times body weight.

The total mechanical energy of a system: A) can never be negative. B) is constant, if only conservative forces act. C) is either all kinetic energy or all potential energy, at any one instant.