Ayoung man sets a goal to compete in a marathon in two weeks. he started training last week by exercising three to four times a week with his friend. after each training session he writes his daily experiences to assess problems that may hinder his achievements. what aspect of his fitness program could keep him from achieving his goal?

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit