Physics, 02.10.2020 15:01 aliciajackson26
A cyclist travels 20km in 4hrs. What speed did the cyclist cycle at?
Answers: 2
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Acar's position in relation to time is plotted on the graph. what is the car's average velocity? a) 5 m/s b) 10 m/s c) 30 m/s d) 50 m/s
Answers: 1
Physics, 22.06.2019 12:30
An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5Ă103 j and the energy transferred thermally out is 99.4Ă103 j. there are 1.5Ă1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1â2 b. 2â3 c. 4â1 d. 1â2 and 4â1 e. none of the above
Answers: 3
Physics, 22.06.2019 14:20
The energy released by a nuclear fusion reaction is produced when
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Physics, 22.06.2019 20:10
Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.
Answers: 1
A cyclist travels 20km in 4hrs. What speed did the cyclist cycle at?...
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