Physics, 02.02.2020 18:46 novarosell
Aroller coaster with a potential energy of 235,200 j sits at the top of a 30 m high hill. what is the mass of the roller coaster? (formula: pe = mgh)
800 kg
7,840 kg
8,000 kg
78,400 kg
Answers: 3
Physics, 22.06.2019 01:00, jayycruz59
An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75
Answers: 2
Physics, 22.06.2019 09:40, dakshshberry
Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?
Answers: 2
Physics, 22.06.2019 11:00, chaycebell6662
A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?
Answers: 3
Physics, 22.06.2019 22:00, ronalescobar2002
A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?
Answers: 2
Aroller coaster with a potential energy of 235,200 j sits at the top of a 30 m high hill. what is th...
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