F a survivable acceleration is 30gees, what is a minimum stopping distance to survive a fall at 30m/s? * A) 1.5m
B) 0.5m
C) 15m
D) 15m/s
show your work please

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Could someone me find the answer to this problem.

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?