Answer:
I think the answer is Nonmetal...
Explanation:
Centripetal force is mass times centripetal acceleration:
F = m v² / r
If force is doubled while mass and radius are held constant, then velocity will increase.
2F = m u² / r
2 m v² / r = m u² / r
2 v² = u²
u = v√2
So the velocity increases by a factor of √2.
Yes you can do it forever
Answer:
Power= 6.84×10⁸ W
Explanation:
Given Data
Niagara falls at rate of=1.4×10⁶ kg/s
falls=49.8 m
To find
Power Generated
Solution
Regarding this problem
GPE (gravitational potential energy) declines each second is given from that you will find much the kinetic energy of the falling water is increasing each second.
So power can be found by follow
Power= dE/dt = d/dt (mgh)
Power= gh dm/dt
Power= 1.4×10⁶ kg/s × 9.81 m/s² × 49.8 m
Power= 6.84×10⁸ W
<u>Given data:</u>
Voltage (V) = 120 V,
Power (P) = 50.4 Watts,
current flowing (I) = ?
Power is nothing but the rate of doing work. Hence W/t represents electric Power (P).
Electric Power (P) = V.I Watts
This equation can be used to calculate the power consumption by any electrical device that is connected in a circuit.
In the given question, we need to determine the Current flowing through the circuit(bulb).
From the equation,
P = V.I Watts
50.4 = 120 × I
I = 50.4/120
I = 0.42 Amp
<em>Current flowing through the circuit is 0.42 Amperes. </em>