The cheetah can run 28,25 km
Answer:
ya I just looked it up on Google
Given: Mass m= 10 g convert to Kg m = 0.01 Kg Velocity V = 300 m/s
Required: Kinetic energy = K.E = 1/2 mV²
K.E = 1/2 (0.01 Kg)(300 m/s)²
K.E = 450 J
Answer:
B
Explanation:
In a DC current, the current supplied is steady motion (a straight horizontal line in a graph) and this is what makes it had to transform. The alternating current takes a sine wave motion in a graph. This means is voltage varies from zero to peak and reverses polarity. The rate at which it achieves this is its frequency in Hertz.
<span>Easy, take the top off your Thermos bottle filled with hot coffee. Assuming perfect insulation, that hot coffee is isolated from the environment; but when the top is opened the heat can now escape to that environment.
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