Answer:
about 4.74 seconds
Explanation:
The time to fall distance d from height h is given by ...
t = √(2d/g)
t = √(2·110 m/(9.8 m/s^2)) ≈ 4.74 s
It will take the car about 4.74 seconds to fall 110 meters to the river.
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We assume the car's speed is horizontal, so does not add or subtract anything to/from the time to fall from the height.
A: is potential
C: is losing kinetic energy and gaining potential energy
B: kinetic energy is at its highest
D: is loosing potential energy and gaining kinetic energy
Answer:
KE = 1/2 * m * ![v^{2}](https://tex.z-dn.net/?f=v%5E%7B2%7D)
Explanation:
use the formula:
KE = 1/2 * m * ![v^{2}](https://tex.z-dn.net/?f=v%5E%7B2%7D)
KE = kinetic energy in joules (J)
m = mass in kg
v = velocity in m/s
Answer: P= mad/t or P=w/t so P= 300/6= 50 W