Physics, 03.11.2019 08:31 tiffxnnyyy
Let’s say a 0.001kg bullet moves with a speed of 1500 m/s. a pitcher claims he can throw a 0.15 kg baseball with as much momentum as that bullet. how fast would he have to throw the ball for this to be true?
Answers: 2
Physics, 21.06.2019 15:00
Air flows upward in the wick of a lantern because of the liquid property called
Answers: 1
Physics, 22.06.2019 04:40
Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely
Answers: 1
Physics, 22.06.2019 10:30
Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.
Answers: 3
Let’s say a 0.001kg bullet moves with a speed of 1500 m/s. a pitcher claims he can throw a 0.15 kg b...
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