labburt labburt
  • 12-09-2017
  • Mathematics
contestada

A backpack has a mass of 8 kg. It is lifted and given 54.9 J of gravitational potential energy. How high is it lifted? Acceleration due to gravity is g = 9.8 m/s2.

Respuesta :

Аноним Аноним
  • 12-09-2017
Potential energy  = mass * g * height
So here we have:-
54.9 = 8 * 9.8 * h
So
h = 54.9 / (8*9.8) =    0.7 metres
Answer Link

Otras preguntas

What important contribution did Tristram Shandy make to the novel?
What reason did the Court give for its decision? Do you agree with the Court's decision in this case? Why or why not?
Help me solve this question please.
How does the blood flow in this abnormal heart compare to that in a normal heart?
Which type of essay uses the passage of time as the backdrop to the progression of the essay?
Solve for b. −1/3b=9 What is the answer? A −27 B −3 C 3 D 27
If BC = 5.3, CD = 8.8, and AD = 14.3, find AB to the nearest tenth.
Effect Split in Western Christian church that led to two rival popes before the church reunited. Cause Which of the following completes the cause-and-effect
Simplify the product. 4x (2x^3 - 7x^2 + x) A) 8x^4 - 28x^3 + 4x^2 B) 16x^3 - 7x^2 + x C) 8x^4 - 7x^2 + x D) 16x^4 - 3x^3 + 4x^2
Difference between compound and bond? (Ex. Ionic Compound vs Bond)