Aproton is moving at 425 m/s. (a) how much work must be done on it to stop it? (a proton has a mass of 1.67×10−27 kg.) (b) assume the net braking force acting on it has magnitude 8.01×10−16 n and is directed opposite to its initial velocity. over what distance must the force be applied? watch your negative signs in this problem.
Answers: 1
Physics, 22.06.2019 00:00
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?
Answers: 1
Physics, 22.06.2019 03:00
Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c
Answers: 2
Physics, 22.06.2019 07:20
Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?
Answers: 3
Aproton is moving at 425 m/s. (a) how much work must be done on it to stop it? (a proton has a mass...
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