Answer:
work=f(costheta)
Explanation:
work is done when a force acts on a body and displaces it on the direction of force
Hi there!
We can use the following (derived) equation to solve for the final velocity given height:
vf = √2gh
We can rearrange to solve for height:
vf² = 2gh
vf²/2g = h
Plug in the given values (g = 9.81 m/s²)
(13)²/2(9.81) = 8.614 m
We can calculate time using the equation:
vf = vi + at, where:
vi = initial velocity (since dropped from rest, = 0 m/s)
a = acceleration (in this instance, due to gravity)
Plug in values:
13 = at
13/a = t
13/9.81 = 1.325 sec
Answer:
It does not hit the students face because the speed of the balloon slows down as energy is lost through thermal.
Explanation:
The amplitude of the wave is the 'full height of the wave.' Amplitude is measured in m (meters) and is measured over the change of a single period.
Answer:
heat energy is the form of energy produced by heat
when we burn heat a type of enery is came
