Physics, 16.12.2020 07:20 azibur3191
Consider a 12.5 kg baby tiger in a tree has 490 J of gravitational potential energy. Determine the height of the tiger above the ground?
Answers: 1
Physics, 22.06.2019 09:30
Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?
Answers: 2
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Physics, 23.06.2019 16:30
Figure shows a simple cathode-ray tube. a beam of particles, emitted by the cathode, strikes the centre of the screen.a. why the cathode must be heated? b. what is the principal energy change that occurs when the beam strikes the screen? c describe and explain what you would expect if the two deflecting plates g and h were connected to an alternating voltage supply
Answers: 3
Physics, 23.06.2019 21:00
When you hit the ground after jumping, your knees are slightly bent instead of being straight. explain how this compares to using flexible materials in buildings that may be hit by an earthquake?
Answers: 2
Consider a 12.5 kg baby tiger in a tree has 490 J of gravitational potential energy. Determine the h...
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