My guess would be choice D
Answer:
900
Explanation:
v = s / t = 9000m / 10 s = 900m/s
Answer: Rn :)))) no explanation needed
It is 6 g/cm3 because density cannot be negative, and it is not speed in which the unit would be m/s.
When Adam applies a ‘pull’ force on the pulley, there is an output force that the pulley lets out, directly pulling the object with it. We cannot always pull up objects with our bear hands, no matter how much force we apply. Which is why pulleys allow us to apply the force and pulleys do the work of pulling the objects for us, since work and force come hand in hand.