12-04-2017
Mathematics

contestada

An object has a mass of 5.0 kg. It’s 3.0 m off the ground and has a speed of 4 m/s. Calculate total mechanical energy of the object. Remember Mechanical energy is the sum of KE and PE

A.147

B.187

C.60

D.167

Respuesta :

12-04-2017

ME=(mv^2)/2+mgh in this case:

ME=(5*4^2)/2+5*9.8*3

ME=40+147

ME=187 J

Answer Link

Otras preguntas

What are the zeros of the function below? Check all that apply

ASAP PLZ HELP WILL MARK AS BRAINLSIT

Which choice below is NOT a biomolecule? O Carbohydrates O Lipids O Nucleic Acids O Proteins O Water

Solve for x. Can anyone help me please?

solve the equation x^2+18x+81=25

PLEASE find x!!!!!!thx

How did Pike describe life in New Mexico? a. He noticed New Mexico’s advanced industry and commerce. b. He saw that the people of New Mexico were starved for

Physical science HELP ASAP PLZ!! Which represents the greatest speed: 56 m/s, 560 cm/s or .56 km/s? Explain your answer with math.

I’ll mark u as brainliest if you can help with this question :)

How does the presence of a large number of previous movers to a country affect the projected costs and benefits of subsequent movers