What is the average speed of the bus which covers 120 km in 3 hours is?
1 answer:
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Answer:
the velocity of the mass is 8.44 m/s
Explanation:
Given;
mass of the object, m = 2 kg
spring constant, k = 180 N/m
extension of the spring, x = 0.89 m
The maximum velocity of the mass is calculated as follows;
By the principle of conservation of energy;
Elastic potential energy = kinetic potential energy
¹/₂kx² = ¹/₂mv²
kx² = mv²
Therefore, the velocity of the mass is 8.44 m/s
Answer:
Explanation:
Given
Mass of particle is
Charge of particle is
Electrostatic force must balance the weight of the particle
Direction of the electric field is in upward direction such that it opposes the gravity force.