Before a collision, a 200-kg Honda is driving 30 m/s towards a 600-kg Toyota that is not moving. After the crash, the two cars are stuck together. What is their velocity? m/s​

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

What is an electric motor? explain its operation. 2-3 sentence

What is part of a line has one endpoint and continues in one direction?