Aspring with a spring constant of 4.0 newtons
per meter is compressed by a force of
1.2 newtons. what is the total elastic potential
energy stored in this compressed spring?
(1) 0.18 j (3) 0.60 j
(2) 0.36 j (4) 4.8 j

On a cold day, when the air temperature is 0°c, you empty your lungs and take a deep breath, filling your lungs with 4.2 l of air. if you hold your breath until the temperature of the air in your lungs reaches 37°c, what is the volume of the air in your lungs at that point, assuming the pressure does not change?

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules

Apropagating wave in space with electric and magnetic components. these components oscillate at right angles to each other. it may travel in a vacuum. determine the term.