Based on the equation KE = 1/2(m)(v^2), Kinetic Energy can be measured based on velocity. If an object has a large velocity, it have a larger kinetic energy than if the velocity is small.
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Answer:
Part a)
%
Part b)
%
Explanation:
As we know that total power used in the room is given as

here we have






Part a)
Since power supply is at 110 Volt so the current obtained from this supply is given as


now resistance of transmission line



now power loss in line is given as



Now percentage loss is given as


%
Part b)
now same power must have been supplied from the supply station at 110 kV, so we have


now power loss in line is given as



Now percentage loss is given as


%
Answer:
Both are moving at 30 km/h, so their speed is the same. ... enough fuel for the trip/how long it will take. 4 Weight is a force, and so is a vector. ... c At 10 seconds David's displacement is.
The speed of the ball is 1.57 m/s
Explanation:
We start by calculating the angular speed of the ball, which is given by

where
T is the period of revolution
For the ball in this problem,
T = 2 s
(since the ball makes 1 revolution every 2 seconds)
So, the angular speed is

Now we can calculate the speed of the ball by using

where
r = 0.5 m is the radius of the circular path
Substituting,

Learn more about angular motion:
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