The acceleration due to gravity on planet x is one fifth that on the surface of the earth. if it takes 4.1 s for an object to fall a certain distance from rest on earth, how long would it take to fall the same distance on planet x? answer in units of s.

8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

The inverse square law applies to: intensity of sound gravitational force intensity of light electric force magnetic force