A 0.10 kg hockey puck is moving toward a 75 kg goalie that is stationary. After the goalie catches the puck, they move
together at 0.067 m/s. What is the initial velocity of the
hockey puck as it is travelling at the goalie?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

What type of graph used to show how a part of something relates to the whole

Multiple choice. choose the one alternative that best completes the statement or answers the question. 1) if the force on an object is in the negative direction, the work it does on the object must be 1) a) negative. b) positive. c) the work could be either positive or negative, depending on the direction the object moves. 2) a truck has four times the mass of a car and is moving with twice the speed of the car. if kt and kc refer to the kinetic energies of truck and car respectively, it is correct to say that 2) a) kt = 16kc . b) kt = 1 2 kc. c) kt = kc . d) kt = 2kc . e) kt = 4kc . 3) you and your friend, who weighs the same as you, want to go to the top of the eiffel tower. your friend takes the elevator straight up. you decide to walk up the spiral stairway, taking longer to do so. compare the gravitational