What is the mass of a 735-n weight on earth?
a. 73.5 kg
b. 75.0 kg
c. 334.1 kg
d. 725.2 kg

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.