Which activity best reflects a muscle movement working against gravity? a lifting the torso during a sit up b lowering the body during a pushup c doing a squat d swimming?

Now that the first three steps have been explained, identify the next three steps, in order. calculate the magnitude of r sum vector components calculate a and b magnitudes calculate the direction of r, calculate x,y components step 4 step 5 step 6

Answer as quick as ! kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energyb. motion energyc. sound energyd. thermal energy

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f