AnnMous AnnMous

01-05-2019
Physics

contestada

A child pushes a toy car down a hill. The child has a mass of 20 kg. The car has a mass of 1.6 kg and a speed of 7.4 m/s2. When the car has a gravitational potential energy of 30 J, what is the mechanical energy of the car?

Respuesta :

mohisbird mohisbird

01-05-2019

Answer:

The answer is 73.8 J

Explanation:

Answer Link

Otras preguntas

Which genre uses narrative and poetic techniques to tell a story? A.narrative poem B.memoir C.lyric poem D.novel

The narrative in Nectar in a Sieve is told from a (an) _____ point of view.

Who believed that individuals should give up some of their freedoms for the benefit of the community as a whole?

Solve to find the value of x. 40-x/3 = 4+x

what is the answer to 7/12 - 2/3 =

Psychology's history as a science began_________.

Pam says she will charge 125 plus 15 an hour to paint a house. Michelle will charge $50 plus $20 per hour to paint a house. After how many hours will their cost

reduce 18/32 to lowest terms

The science of ecology developed from the study of A. natural history. B. chemistry. C. human populations. D. biology.

Which of these works of fiction is based on Leo Tolstoy's time serving in the Crimean War and set in the city where he and his military unit were based? 1}Youth