If a person pulls on a cart to the right with a force of 10 newtons and a second person pulls to the left with a force of 3 newtons what is the net force + direction on the cart

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.

How many neutrons does plutonium -196 with an atomic number of 78.