Physics, 02.03.2021 21:20 naniicapri3
A 1200 kg car is moving at 30 km/h hits a tree and comes to a halt in 2s. What is the impulse on the car?
Answers: 3
Physics, 21.06.2019 18:20
What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black
Answers: 1
Physics, 22.06.2019 00:30
Consider an ordinary, helium-filled party balloon with a volume of 2.2 ft3. the lifting force on the balloon due to the outside air is the net resultant of the pressure distribution exerted on the exterior surface of the balloon. using this fact, we can derive archimedes’ principle, namely that the upward force on the balloon is equal to the weight of the air displaced by the balloon. assuming that the balloon is at sea level, where the air density is 0.002377 slug/ft3, calculate the maximum weight that can be lifted by the balloon. note: the molecular weight of air is 28.8 and that of helium is 4.
Answers: 2
Physics, 22.06.2019 03:30
What is the momentum of a 2 kg object moving at 15 meters per second
Answers: 1
A 1200 kg car is moving at 30 km/h hits a tree and comes to a halt in 2s. What is the impulse on the...
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