2. The work done in stretching a spring of spring constant 100 N/m through a length of 10 cm is
10
a) 1 J
b
J
c)
d) 50 x 10
2

What component of fitt refers to the duration of a single workout?

If babies are consistently placed on their backs without any restrictions, what will happen to their development? a. they suffer from weakness in certain muscle groups. b. their ability to roll over, crawl, and eventually walk is hindered. c. they suffer brain damage from the pressure on the back of the head. d. they learn to roll over, crawl, and eventually walk on their own.

Which term defines one's age as measured by how well the body is working? chronological age biological age social age mental age