Answer:

Explanation:
As we know that when astronaut is revolving in circular path then the acceleration of the astronaut is due to centripetal acceleration
so it is given as

here we know that

also we know that

now we have


It is false that scientific advances have led to decreased energy efficiency and waste reduction.
Answer:
m/s^2, acceleration
Explanation:
velocity in SI units is meter / second
dividing by time(second) gives meter / second^2 which is acceleration.
That the moon has soil within its shadowy craters rich and useful material