Physics, 30.11.2021 01:00 vkrizh

A 1.8 kg book has been dropped from the top of the football stadium. Its speed is 4.8 m/s when it is 2.9 meters above the ground?

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 21:00, jjxt126

A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.

Answers: 2

continue

Physics, 22.06.2019 06:10, crystalryan3797

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Answers: 3

continue

Physics, 22.06.2019 16:00, desiree98

Which composition of water moves to begin a deepwater current?

Answers: 2

continue

Physics, 22.06.2019 19:30, NewKidnewlessons

Aplayground slide is 8.80 ft long and makes an angle of 25.0° with the horizontal. a 63.0-kg child, initially at the top, slides all the way down to the bottom of the slide. (a) choosing the bottom of the slide as the reference configuration, what is the system's potential energy when the child is at the top and at the bottom of the slide? what is the change in potential energy as the child slides from the top to the bottom of the slide? (include the sign of the value in your answer.)

Answers: 3

continue

You know the right answer?

A 1.8 kg book has been dropped from the top of the football stadium. Its speed is 4.8 m/s when it is...