Question: Exercise slows down the activity of which type of muscles? Multiple answers:
A. Smooth muscle
B. Cardiac muscle
C. Body muscle
D. Skeletal muscle

Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)

Determine the maximum r-value of the polar equation r =3+3 cos 0

Suppose an objects initial velocity is 10m/s and it’s final velocity is 4 m/s. mass is constant. what can best be concluded about the object based in the work-energy theorem