Answer:
a
Explanation:
The angular speed of a rotating platform changes from.at a constant rate as the platform moves through an angle
Answer:
v = 1.6 m/s
Explanation:
Given that,
Distance, d = 72 m
Time taken, t = 45 s
We need to find their average velocity. Average velocity of an object is given by total distance divided by total time taken.

So, their average velocity is 1.6 m/s.
Answer:
B) Blackbody radiation
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