How long does it take to cover 5 metre when going at the speed of 1 km/h

Givens

d = 5m

r = 1 km/hour = [ 1000 m/1 km] * [1 hour / 3600 sec]

r = 0.2777777 ... m/s

t = ???

Formula

d = r * t

Solution

5 meters = 0.2777777 ... * t

t = 5 / 0.27777777

t = 18 seconds                  Answer

Time = (distance) / (speed)

Time = (5 m) / (1,000 m/hr)

Time = (5/1,000) (m•hr/m)

Time = 0.005 hr

Time = (0.005) • (3,600 sec)

Time = 18.0 seconds

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.

i think the answer is a and b

i wish you luck