Post a New Question

science

posted by .

How much work does it take to raise a 3kg object 5m into the air?
(a) What is the potential energy of the object when it is 5m in the air? (b) What does this tell you about the potential energy you get when you do work to lift an object?
(c) If you drop the object, how fast is it going when it hits the ground? (d) What is the object’s kinetic energy when it hits the ground?
(e) Compare your answers to parts (b) and (d). What happens to the potential energy the object had?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Energy

    Without energy we can't do work cuz we can't apply ne force on an object. Gravity, itself a force, when, say, pulls a ball down to the gorund it actually does work. Now for that force, where does it get the energy from or what type …
  2. science

    1. How much potential energy does a 5kg block have if it is 2m above the ground?
  3. PHYSICS

    An object is thrown straight upwards from the ground at 28 m/s. Due to air resistance (a non-conservative force), the object loses 31.4 percent of its initial energy during its trip to reach maximum height. How much higher does the …
  4. physics

    which of the followingfactors dircetly affect the amount of air drag on an object?
  5. Physics

    An object of mass .550kg is lifted from the floor to a height of 3.5m at a constant speed. How much work is done by the lifting force (include units)?
  6. Science

    a)How much work is required to lift a 35-kg object from the ground 3.0 m into the air?
  7. physics

    A 20 kg object is acted on by a conservative force given by F = -3.0 x - 5.0 x 2, with F in newtons and x in meters. Take the potential energy associated with the force to be zero when the object is at x = 0. (a) What is the potential …
  8. science

    If an object is thrown 60m into the air and it takes the object 6s to get there what's there average speed of the object
  9. Physics - Check Answers ASAP

    Could someone please check over my answers?
  10. science

    Calculate the work done in each of the following situations. (a) A horse pulls a wagon with a force of 1200 N and moves it 15 m. (b) A cable lifts an elevator 16 m by using a cable with a tension force of 2500 N. -How much work is …

More Similar Questions

Post a New Question