I believe the answer is
POTENTIAL ENERGY. The water at the top of the waterfall has Potential Energy.
Potential Energy is defined as the energy that is stored when an object is at
rest. At the top of the waterfall, water will have maximum potential energy. When
the water falls down, it is will already have kinetic energy which is energy
that is produced through continuous motion. When it is finally in the bottom,
water will have maximum kinetic energy.
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Answer:
a) v = 7.28 m/s
b) t = 0.74 s
Explanation:
a) The initial speed of the ball can be calculated using the following equation:
Where:
is the final speed = 0
is the initial speed =?
g: is the gravity = 9.81 m/s²
h: is the height = 2.70 m
Hence, the initial speed of the ball is 7.28 m/s.
b) To find the time that takes the balls to reach the ceiling we can use the next equation:
Therefore, the time it takes for the ball to reach the ceiling is 0.74 s.
I hope it helps you!
Answer:
10.28571 hp
Explanation:
= Shaft output power = 104 hp
= Average efficiency = 91%
Electric work done rate is given by
The rate of heat supply is given by
The heat supply by the motor to the engine compartment at full load is 10.28571 hp
32 kilometers per hour is equivalent to 8.88... m/s
Answer:
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