Physics, 18.04.2021 17:00 b2cutie456
A car travelling at 60 km/h undergoes uniform acceleration at a rate of
2 m/s2 until its velocity reached 120 km/h. Determine the distance
travelled and the time taken to make the distance.
Answers: 2
Physics, 21.06.2019 23:30
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
Physics, 22.06.2019 05:30
What do you think car designers do if the damage caused by a crash test is too severe?
Answers: 1
Physics, 22.06.2019 17:20
In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy
Answers: 2
Physics, 22.06.2019 19:20
Which best describes the difference between internal and thermal energy?
Answers: 1
A car travelling at 60 km/h undergoes uniform acceleration at a rate of
2 m/s2 until its velocity r...
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