Allistarz Allistarz
  • 04-05-2016
  • Physics
contestada

If Mike does 25.5 J of work lifting a book 1.5 m onto a shelf what is the mass of the book in kilograms

Respuesta :

elskywalker
elskywalker elskywalker
  • 04-05-2016
lifting the book means that the object gains gravitational potential energy. GPE=mass*gravitational field strength*height, ∴m=GPE/gh, m=25.5/10*1.5=1.7 kg
Answer Link

Otras preguntas

Someone plz help me :(
Rodrigo took a math quiz last week. He got 63 problems correct and 7 problems incorrect. What percentage did Rodrigo get correct? Write your answer using a perc
What is the vertex of the parabola y=-x^2+4x-5 Vertex= ( , )
What is the purpose of the trendelenburg position in labor/ pregnancy?
A science club has a muffin sale. Each bag has 25 muffins. There are 630 muffins to sell. About how many bags of muffins are there?
Suppose you roll a regular 6-sided die with the numbers 1 through 6. What is the probability that you roll a 3 and then roll a 4? Give your answer as an exact f
What is the maximum value of the function f(x)=x1/3.
In 1628, Parliament forced the king to agree to the Petition of Right, which strengthened the powers of Parliament.true or false
Space is not always invisible true or false?
What do you do if a heartbeat stops?