Two ice hockey players are skating. The first has a mass of 87kg and is skating at a constant speed of 2.6 m/s. The second skater has a mass of 78kg. How fast does the second skater have to be in order to have a momentum similar to the first skater ?

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

Why do astronauts in the space shuttle weigh less?

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell