Hello:
The pivot point of a LEVER is called the fulcrum.
The answer is D light rays shine on an object which then reflects back to our retina
Answer:
His machine must increase
Explanation:
Let's just assume that you throw the ball with an initial speed of 2 m/s instead of dropping it like free falling.
a=9.81 m/s^2
Vi= 2 m/s
t= 3 x
we use the formula
d = (Vi)(t) + (1/2)(a)(t)^2
d= (2)(3) + (1/2)(9.81)(9)
d=50.145 m
