Aball is thrown horizontally from a cliff and hits the ground 4 seconds later 40
meters from the base of the cliff. how fast was the ball thrown?

10 m/s

Explanation:

Given:

Δx = 40 m

t = 4 s

aₓ = 0 m/s²

Find: v₀ₓ

x = x₀ + v₀ₓ t + ½ aₓ t²

40 m = v₀ₓ (4 s) + ½ (0 m/s²) (4 s)²

v₀ₓ = 10 m/s

c. 7/3

step-by-step explanation:

a rational number is like pi- it is a repeating decimal.

a. is -1.8

b. 2.236068

c. 2.3333333333333333333

d.   is 3

i hope that ! =)

answer: i'm not sure which is which for i get confused on it all the time but i can tell you that the answer lies with the convex and concave devices. i hope this you. have a good day and best of luck to you!

explanation: