Voltage =Current * Resistance
= 9 * 43
Voltage = 387 V
Answer:
Explanation:
<u>Given Data:</u>
Distance = S = 25 miles
Time = t = 0.5 hours
<u>Required:</u>
Speed = v = ?
<u>Formula:</u>
v = S/t
<u>Solution:</u>
v = 25 / 0.5
v = 50 miles / hr
Hope this helped!
Kinetic energy is directly proportional to the mass of the object and to the square of its velocity: K.E. = 1/2 m v2.