How long was Michael Jordan in the air when he jumped straight up with a speed of 4.5 m/s? I know the answer is 0.918 seconds, but I don't know how to get there.

Explanation:

Using the equation of motion

v = u+gt

v is the final velocity

u si the initial velocity

g is the acceleration due to gravity

t is the time

Substitute

0 = 4.5-(9.8)t

-4.5 = -9.8t

t = 4.5/9.8

t = 0.459s

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up