Physics, 18.12.2020 18:30 bananakingdoof
4. A ski jumper starts at the top of a 400m high hill before skiing down to the bottom. The ski jumper has a mass of 75kg. If after 10 seconds the skier is going 15m/s how much kinetic energy would the skier have?
A. 16,875.0 J
B. 8,437.5 J
C. 112.5 J
D. 562.5 J
Answers: 1
Physics, 22.06.2019 09:00
Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
Answers: 2
Physics, 22.06.2019 13:20
Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron
Answers: 2
Physics, 22.06.2019 15:50
The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
Answers: 2
Physics, 22.06.2019 21:50
To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter
Answers: 2
4. A ski jumper starts at the top of a 400m high hill before skiing down to the bottom. The ski jump...
Mathematics, 12.03.2021 09:50
English, 12.03.2021 09:50
Business, 12.03.2021 09:50
Mathematics, 12.03.2021 09:50
Social Studies, 12.03.2021 09:50
Biology, 12.03.2021 09:50
Mathematics, 12.03.2021 09:50
Mathematics, 12.03.2021 09:50
Chemistry, 12.03.2021 09:50