djhughes12 djhughes12
  • 03-09-2015
  • Physics
contestada

ball is dropped from rest at a height of 80m above ground. what is its speed just as it hits the ground.

Respuesta :

Jeffo Jeffo
  • 03-09-2015
Using SUVAT (S is displacement, U is initial Velocity, V is final velocity, A is acceleration, t is time);
S = 80m
U = 0ms^-1
V = ?
A = 9.8ms^-2
T = XXX
Use S U and A to find V;
V^2=U^2+2AS
V^2=0+2*80*9.8
V^2=1568
V=39.6ms^-1
Answer Link

Otras preguntas

A package of 5 pairs of insulated gloves costs $44.95. What is the unit price of the pairs of gloves
What is 4.82 - 4.28 - 2.85
The reason most often cited by owners who have been unhappy with the agent who took the listing is failure of the agent to ________.
how much large gravel is needed to cover 290 meters if the large gravel is 29.62 tons per meter
Anglicanism is very similar to Catholicism in many of its beliefs and practices. Why is that the case?
If you select a marble without looking, how likely is it that you will pick a black one?
"What number is equivalent to 1.3? 1.03 13.0 0.13 1.30"
What is bondage and discipline? (B-D)
what was the teapot Dome scandal how long it lasted​
what is -(3a+2)-3(5a+7)