Techniques for making 100 automobiles Method Labor (workers) Capital (units) A 50 500 B 20 700 C 60 400 The table above shows three production methods to produce 100 automobiles per day. Which of the three methods is technologically efficient?

The next 2 questions refer to this scenario: An explosive-laced hockey puck slides across frictionless ice. As shown in the diagrams, the puck explodes into three equal-mass pieces.

Describe the motion of the boy while the car is slowing, in terms of the forces acting on him.

If the space station has a velocity of 7.5 x 103 m/s relative to the ground, what is the velocity of the satellite relative to the ground?

The person lets go of the handle and allows the bucket to fall downward. The angular acceleration of the drum, α, is related to the acceleration of the bucket, a, by the relation

Which of these statements best describes the motion of the cannonball after it is fired from the cannon?

The next 4 questions refer to this scenario: In this diagram we look down on a hockey puck sliding, with constant velocity, from point a to point b along a frictionless horizontal surface. When the puck reaches point b, it receives an instantaneous horizontal “kick” in the direction of the heavy arrow.

Along which segment does gravity do the most work?

After twenty seconds, will the rocket’s acceleration be larger than, the same as, or less than it was when the rocket began its journey? Why?

What is the sign of the velocity of the particle at point D?