Answer:
step bro was stuck on the elevator
Explanation:
Answer:
c
Explanation:
a, b, and d are examples of moving forward
while c is moving backwards.
A mercury filled balloon would fall faster then water. Mercury is heavier.
Is balancing .
Hope this is helpful
Answer:
Explanation:
Given
length of rope 
velocity while running 
when the person jumps off the bank and hang on the rope then we can treat the person as pendulum with Time period T which is given by




Greatest Possible distance will be covered when person reaches the other extreme end of assumed pendulum (velocity=zero)
therefore he must hang on for 0.5 T time
