Answer:
The correct answer is "".
Explanation:
According to the question,
Energy of satellite,
⇒
For the very 1st case:
or,
⇒ ...(1)
For the new case:
then,
⇒
...(2)
From equation (1) and (2), we get
⇒
Answer:
A the gravitational potential energy gained by a stone lifted through the same
Answer:
First, the image moves in and out of focus too quickly, so that it is difficult to precisely adjust the focus. Second, you run the risk of crashing the objective into the slide. Use the coarse focus only with the 4x low power objective. You can use the fine focus knob with all objectives.
Explanation:
Answer:
0 m/s
Explanation:
At the top of the trajectory, the speed is always 0 as it changes to negative when going back down.
According to Newton's Second Law of motion, the net force acting on the object is equal to its mass multiplied by its acceleration. In formula, it is written as
Net Force =mass * acceleration
Net force = 25 kg * 5m/s^2
Net force = 125 Newtons