Physics, 27.08.2019 16:20 natalie9316
A65kg person throws a 0.045kg snowball forward with a ground speed of 30m/s. a second person, with a mass of 60kg, catches the snowball. both people are on skates. the first person is initially moving forward with a speed of 2.5 m/s, and the second person is initially at rest. what are the velocities of the two people after the snowball is exchanged? disregard friction between the skates and the ice.
Answers: 1
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If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star
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The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f
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Imagine you are riding on a yacht in the ocean and traveling at 20 mph. you then hit a golf ball at 100 mph from the deck of the yacht. you see the ball move away from you at 100mph, while a person standing on a near by beach would observe your golf ball traveling at 120 mph (20 mph + 100 mph). now imagine you are aboard the hermes spacecraft traveling at 0.1c (1/10 the speed of light) past mars and shine a laser from the front of the ship. you would see the light traveling at c (the speed of light) away from your ship. according to einsteinโs special relativity, how fast will a person on mars observe the light to be traveling? a) 0.1c (1/10 the speed of light) b) c (the speed of light) c)1.1c (c+0.1c)
Answers: 1
A65kg person throws a 0.045kg snowball forward with a ground speed of 30m/s. a second person, with a...
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