Physics, 22.10.2020 19:01 kyleighott
Kim took 5 hours to complete a journey with an average speed of 80 km/h. For the first 3 hours, she traveled at an average speed of 60 km/h. What was her average speed for the remaining time of the journey?
Answers: 3
Physics, 22.06.2019 17:30, RegencySlayer5304
Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?
Answers: 2
Physics, 23.06.2019 13:30, pearljammarow6ujs
It is necessary to determine the specific heat of an unknown object. the mass of the object is 201.0g it is determined experimentally that it takes 15j to raise the temperature 10°c. what is the specific heat of the object? 3,020,000 j/kg ∙ k 1500 j/kg ∙ k 0.00130 j/kg ∙ k 7.46 j/kg ∙ k
Answers: 3
Physics, 23.06.2019 15:30, wardlawshaliyah
What evidence supported the oscillating big bang?
Answers: 3
Kim took 5 hours to complete a journey with an average speed of 80 km/h. For the first 3 hours, she...
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