If your is strong, it benefits your whole body both now and in the future. A strong muscular system helps you in three main ways:

1. You will have better long term health.

2. You will have better performance in activities.

3. You will have improved appearance.

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?

Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.