Check my work on this one question
a worker uses a cart to move a load of bricks a distance of 10 m across a parking lot. if he pushes the cart with a constant force of 209 n, what amount of work does he do? show your work.
209*10=2090, but what units do i use for work?

Acentrifuge in a medical laboratory rotates at an angular speed of 3,700 rev/min. when switched off, it rotates through 54.0 revolutions before coming to rest. find the constant angular acceleration (in rad/s2) of the centrifuge. your response is within 10% of the correct value. this may be due to roundoff error, or you could have a mistake in your calculation. carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. rad/s2