You already have the speed, now you need the time.
I will use the formula for speed which is S=D/T.
S=Speed D=Distance T=Time.
So here we have, 18m/s = 52m/T
we do 18 divided by 52 which would be .3461.
.3461 seconds is how long it took the stone to reach the water.
Answer:
A. Potential energy decreases and kinetic energy increases, but the total amount of mechanical energy remains the same.
Explanation:
Potential energy is the latent energy in an object at rest. Kinetic energy, is the energy expressed by an object in motion.
The ball is starting at rest and that is where the potential energy is at. In that case, the ball has no kinetic energy (no movement). When the ball begins to move that kinetic energy starts to increase and the potential energy decreases because it is no longer at rest.
Answer:
The correct answer is 2
Hoped I helped
Can u give me a brainliest
Answer:
Time period,
Explanation:
We have,
The frequency of an FM radio station is 89.3 MHz.
It is required to find the period of the wave.
The reciprocal of frequency is called time period of a wave. It can be given by :
So, the period of the wave is .
Here is a very important formula. You should memorize it:
Distance = (speed) x (time) .
Here's how it's used to answer your question:
Distance = (2 m/s) x (600 seconds)
= 1200 meters .