Physics, 02.12.2021 08:20 liubitsaghn2145
The combine mass of two objects sticking together is 1500 kg and is traveling at 63 m/s. If object 1 has a mass of 400 kg and was traveling at 45 m/s. Then how fast was object 2 moving before the impact?
Answers: 1
Physics, 23.06.2019 00:20
When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve
Answers: 1
Physics, 23.06.2019 08:00
Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano. the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? a.positive force, balanced force, negative force b.negative force, balanced force, positive force c.positive force, unbalanced force, negative force d. negative force, unbalanced force, positive force
Answers: 1
Physics, 23.06.2019 17:00
The momentum of a man riding his bicycle downhill can be calculated. the bicycle and the man have a combined mass of 40 kg. the velocity of the bicycle is 10 m/s. calculate the momentum.
Answers: 1
The combine mass of two objects sticking together is 1500 kg and is traveling at 63 m/s. If object 1...
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