victor4123 victor4123
  • 03-12-2017
  • Biology
contestada

A ball hits on a floor from a height of 19.6m.determine the velocity with which the ball strikes the ground.

A ball hits on a floor from a height of 196mdetermine the velocity with which the ball strikes the ground class=

Respuesta :

karenzhou1125
karenzhou1125 karenzhou1125
  • 03-12-2017
19.6 m/s down
vf^s=vo^2 + 2ad
find vf (final velocity)
vo = 0 m/s (inital velocity, there is none)
a= 9.8 m/s
d= 19.6 m
Vf^2= 2 (9.8) (19.6)
Vf^2 = 384.16
Vf = 19.6 (by square root)
ans = 19.6 m/s
Answer Link

Otras preguntas

Kim estimates that the faucet in her kitchen drips at a rate for 1 drop every 2 seconds. Erik wants to klnow how many times the faucet drips in a week.
a person who studies word origins and meanings would most likely be a
Which statement is NOT true?A.  If two coplanar lines do not intersect, then the lines are parallel.B. Two lines lie in one plane and do not intersect if and on
I = {1, 2} List all possible subsets of the given set.
among the qualities listed on the human relations scale, the most important one for the building new relationship is?
distribute (x+1)(x-2)
In Romeo and Juliet act 2, which character serves as a messenger
What do you mean by corrosion? How can you prevent it?
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies both inequalities
Round 13 513 to the nearest thousand