Two objects with different masses collide with and stick to each other. Compared to before the collision, the system of two objects after the collision has: A. the same amount of total momentum and the same total   kinetic energy. B. the same amount of total momentum but less total kinetic   energy. C. less total momentum but the same amount of total kinetic   energy. D. less total momentum and less total kinetic energy.

A cart (weight w1) is attached by a lightweight cable to a bucket (weight w2) as shown. The ramp is frictionless. When released, the cart accelerates up the ramp. Which of the following is a correct free-body diagram for the cart?  

The life course pattern view the live course as a trajectory path. Why is this? Please complete a short essay response to this question. 

Two blocks are connected as shown. When released, the 6.00-kg block accelerates downward and the 8.00-kg block accelerates to the right. After each block has moved 2.00 cm, the force of gravity has done: A. work on both blocks, but more work on the 8.00-kg   block than on the 6.00-kg block. B. the same amount of work on both blocks. C. work on both blocks, but less work on the 8.00-kg block   than on the 6.00-kg block. D. work on the 6.00-kg block only.

An object is initially at rest. A net force (which always points in the same direction) is applied to the object so that the power of the net force is constant. As the object gains speed: A. the magnitude of the net force remains constant. B. the magnitude of the net force increases. C. the magnitude of the net force decreases. D. the magnitude of the net force first increases, then   remains the same.

Multiple Choice Questions 

Which of the following is NOT part of the gastrointestinal tract?

An acute rehab client has been diagnosed with Clostridium difficile. In addition to standard precautions, what additional precautions should the nurse implement to prevent the spread of this infectious disease to other residents?

A piece of fruit falls straight down. As it falls, the: A. gravitational force does positive work on it and the   gravitational potential energy increases. B. gravitational force does positive work on it and the   gravitational potential energy decreases. C. gravitational force does negative work on it and the   gravitational potential energy increases. D. gravitational force does negative work on it and the   gravitational potential energy decreases.

A car engine is suspended from a chain linked at O to two other chains. Which of the following forces should be included in the free-body diagram for the engine? A. tension T1 B. tension T2 C. tension T3 D. two of the choices