Don't be fooled ! The answer is a pair of scissor. I got it wrong because I put screw driver.
A. Energy was used to change phase of water from liquid to gas (evaporation). it is radiated back into the atmosphere from the stove.
This is because water evaperates after reaching it's boiling point.
Answer:
The remaining light bulbs will go out.
Explanation:
The light bulb that was taken out routed power to the other light bulbs, there for, not giving power to the next light bulbs will make them turn off or, "go out". This may be incorrect, as you did not provide a picture of the circuit.
Explanation:
Given parameters:
Force applied = 150N
Time = 2s
Unknown:
Momentum change = ?
Solution:
The momentum change of a body is the difference between its initial and final momentum.
Momentum is the same as the impulse exerted on a body which is the product of force and time
Momentum = mass x velocity = force x time
The body initially at rest has a momentum of 0, as the momentum changes;
Momentum change = Final momentum - initial momentum
= f x t - (0)
= (150 x 2) - 0
Momentum change = 300kgm/s
Since the body is a frictionless surface, the net force is the same as the applied force.
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Answer:
Option (c)
Explanation:
The rate of change of linear momentum is called force.
As the linear motion terms are analogous to the terms in rotational motion.
So, the rate of change of angular momentum is called torque.
