Rivkah0
Rivkah0 Rivkah0
  • 18-06-2021
  • Physics
contestada

An object of mass 3kg was released from 40m above the ground. Using the conservation of energy, determine the velocity of the object right before hitting the ground.

Respuesta :

kushm6652 kushm6652
  • 02-07-2021

Answer:

v=28m/s

Explanation:

Conservation of Energy

Ei=Ef

mgh= 1/2mv^2

9.8*40*2= v^2

784= v^2

v= 28m/s

Answer Link

Otras preguntas

What are TWO Sources that agree Walt Disney didn't draw Mickey Mouse?
Smoking is an example of what type of factor that can lead to a heart attack? A. genetic B. educational C. behavioral
You want to connect an external hard drive for backups. Which is the fastest connection used by current external hard drives
Evaluate 18 ¸ 3 + 8 – 4 * 2 - 3 = Question 1 options: 17 25 3 11
Distribute to write and equivalent expression (2x-3)4
Would you use SSS or SAS to prove the triangles​ congruent? If there is not enough information to prove the triangles by SSS or​ SAS, write​ "not enough​ inform
What is 1/8 in percentage form?
(−2 1/5) × (−5 3/4) as a fraction
The surface of the sun has a temperature of about 5800K and consists largely of hydrogen atoms. Find the rms speed of a hydrogen atom at this temperature. (The
In the figure, m<2=64. What is the measure of <1?