Physics, 20.10.2019 10:30, pyromadestill
Aball has 116.62 j of gravitational potential energy at a height of 85 m. what is the mass of the ball? 0.14 kg 0.37 kg 11.9 kg 21.82 kg
Answers: 3
Physics, 22.06.2019 11:30, tommyaberman
You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
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Physics, 22.06.2019 21:00, tobyfoerst
If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?
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Question 1 of 10multiple choice: select the best answer and click "submit."what method of forecasting predicts the arrival time of a storm based on itscurrent speed and other starting variableso a. climatology methodo b. trends methodo c. analog methodod. persistence method
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Physics, 23.06.2019 14:30, suewignall
Atruck going 15 kmôź°€h has a head-on collision with a small car going 30 kmôź°€h. which statement best describes the situation? (a) the truck has the greater change of momentum because it has the greater mass. (b) the car has the greater change of momentum because it has the greater speed. (c) neither the car nor the truck changes its momentum in the collision because momentum is conserved. (d) they both have the same change in magnitude of momentum because momentum is conserved. (e) none of the above is necessarily true. 2. a small boat coasts at constant speed under a bridge. a heavy sack of sand is dropped from the bridge onto the boat. the speed of the boat (a) increases. (b) decreases. (c) does not change. (d) without knowing the mass of the boat and the sand, we can’t tell.
Answers: 1
Aball has 116.62 j of gravitational potential energy at a height of 85 m. what is the mass of the ba...
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