When using the max out method to determine muscular strength, you must first do a warm-up set and a complete set before attempting your one rep max.

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c