4. Why is increasing the time interval a safer way to land from a fall? a. It decreases the amount of force
b. It increases the velocity
C. It increases the amount of force
d. It decreases the velocity

Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

Which subatomic particle has a negative charge