What is the power needed to do 400j of work in 25 seconds

A projectile is fired upward with an initial speed v0 on an air filled world. A short time later, it comes back down and has a final speed v < v0 (air resistance is not negligible).

What happens to the speed of a ball as it rises from the ground to a girls Hand?

What are the similarities and differences between buoyancy and thrust?

Which part of a flowering plant attracts insects, birds, and small mammals?

How are scientific theories different than laws or hypotheses? Theories can be changed to better fit new evidence Theories can remain the same over hundreds of years Theories can be proven beyond any doubt or questioning Theories can develop without

Which of these are considered an oxidizing mutagenic agent? x-rays benzopyrene gamma rays

5. A B note has a frequency of 493.88 Hz. Calculate its wavelength in meters.

When one of the electrons of a particular atom undergoes a transition to a quantum state of lower energy, it a) collides with another of its electrons b) exchanges quantum states with another of its electrons c) undergoes a transition to a quantum

What's the symbol for an ionized bromine atom?

What is the hottest layer in the Sun's atmosphere?