Always use significant figure rules. Remember that these rules apply to all numbers that are measurements. Refer to the following parallel circuit:

Calculate the current through R2.

I = _ amp

2.0
2.7
10.
54

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.