Answer:
The magnitude of the acceleration is 4.2 m/s²
Explanation:
Given;
initial velocity of the powerful sports car, u = 0
final velocity of the powerful sports car, v = 25 m/s
time of motion, t = 6 seconds
Acceleration = Δv / Δt
Δv is change in velocity
Δt is change in time
The magnitude of the acceleration of the powerful sports car during the motion is given by;
Therefore, the magnitude of the acceleration is 4.2 m/s²
Answer:
Trasformer, relay, electric motor, electric generator
Explanation:
From Newton's second law of motion,
F=ma
Where, F = applied force, m = mass (=0.15 kg), a = acceleration.
a= Δv/t, Δv= Change in velocity, t = time
Therefore
a = (41-37)/0.088 = 45.45 m/s^2
Then,
F = 0.15*45.45 = 6.82 N
Explanation:
Metals get charged by induction ,the charges are transferred from the electroscope causing earthing: Charges on the electroscope induce opposite charges on the conductor.
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