Physics, 30.01.2021 01:00 jeanniebyrd54
If all of the following objects have the same velocity, which one has the greatest momentum?
A. a pencil
B. a semi truck
C. a sofa
D. a text book
Answers: 2
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A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?
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For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up
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Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
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Physics, 22.06.2019 14:00
Una carga puntual de 3 x 10-6 c se coloca a 12 cm de una segunda carga puntual de - 1,5 x 10-6 c. calcular la magnitud fuerza eléctrica entre las cargas
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If all of the following objects have the same velocity, which one has the greatest momentum?
A. a p...
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