The speed of a boat is often given in knots. If a speed of 5 knots were expressed in the SI system of units, the units would be:.

0.514 m/s

Explanation:

The knot is a unit of nautical speed used in maritime navigation.

1 knot is equal to one nautical mile per hour,

1 nautical mile per hour = 1.852 km/h

The basic SI system of units of speed is in 'm/s'

1.852 km/h = (1.852 x 1000)/3600 = 0.514 m/s

you cant move and you feel like someones pushing you down onto your bed it can feel like you want to get up but you just can't it can be extremely scary

explanation:

as the height from which the ruler was dropped increased, the speed of the ruler at ryan's hand increased.