A stone released into the
1 answer:
Answer:
h = 78.4 m
Explanation:
Given that,
A stone takes 4s for the stone to touch the river's water surface.
We need to find the height of the bridge from the water level.
Let the height be h. We can use the second equation of motion to find h. So,
So, the height of the bridge from the water level is 78.4 m.
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Pull into the lot of a place that's 24 hours therefor if a office drives by its just a car
Answer:
a solution
Explanation: A solution is a homogeneous mixture consisting of a solute dissolved into a solvent .
Answer:
See below
Explanation:
KE = 1/2 m v^2 = 1/2 *6 * 32.5^2 = 3168.75 j
PE = mgh = KE at end = 3168.75 j
ME = 3168.75 j
ME is KE + PE at any point
before it falls it has no KE before it hits it has no PE
so ME = 3168.75 j
The correct answer to your question is B. The heat gained by the cold water
I believe you need the distance and time