1. Bowling ball sitting in the rack:
kinetic energy = 0, because the ball is not in motion - we have only potential energy in this case
2. Bowling ball knocking pins down:
at the moment of knocking kinetic energy is increased, while the potential energy is decreased
Answers all in picture below
:
Answer:
Explanation:
Examples are;
Ultraviolet light from sun.
Heat from a stove burner.
X-ray from an x-ray machine.
Alpha particle emit from a radio active decay of uranium.
Sound waves from your stereo.
Microwave from micro oven.
ultraviolet light from a black light.
Gamma radiations from a supernova.
AND MANY MORE.
The speed of the car was exactly 125 km per 2 hours.
In a more familiar unit, 125km/2hr = 62.5 km/hr.
Answer:
Explanation:
a_c = ω²R
14 rev/min (2π rad/rev)(1 min/60 s) = 1.466 rad/s
a_c = 1.466²(0.27/2)
a_c = 0.29 m/s²
Le hamster est lent
