Physics

posted by .

How much work is needed to stop a 20g bullet moving with a speed of 150ms-1

  • Physics -

    W=ΔKE= mv²/2 =0.02•150²/2=…

  • Physics -

    m-20g-0.02kg
    v-150ms/1
    k.e-1/2mv2
    k.e-1/2*0.02*150*150
    1/2 to decimal-
    0.5*0.02*150*150
    225joules

  • Physics -

    225j

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    a bullet of mass 0.06kg is fired into a block of wood. if the bullet is moving at 330 m/s as it enters the block and takes 0.15m to stop, find: A) the avg force required to stop the mullet b) the impulse exerted by the wood on the …
  2. physics

    A bullet with mass m = 5.21 g is moving horizontally with a speed v=367 m/s when it strikes a block of hardened steel with mass M = 14.8 kg(initially at rest). The bullet bounces o the block in a perfectly elastic collision. (a) What …
  3. physics

    How much work is needed to stop a 20g bullet moving with speed of 150m/s
  4. physics

    how much work is needed to stop a 20g bullet moving with a speed of 150 ms-1
  5. Physic

    A bullet strikes a ballistic pendulum whose target block has a mass of 4kg. The block is observed to rise a distance of 3cm, and the bullet is weighed and found to have a mass of 20g. What is the speed of the bullet when it strikes …
  6. PHYSICS

    what is the kinetic energy of a 20.0g bullet moving with a speed of 150m/s?
  7. Physics

    how much work is needed to stop a 20kg bullet moving with a speed of 150m/s?
  8. Physics

    A bullet of mass 200 grams is forced with work speed of 400 m/s of it is stopped in 100 m, Find: a.) KE b.) Force needed to stop it
  9. physics

    How much work isneeded to stop a 20g bullet moving with a speed of 150m/s
  10. D S S LIMAWA MINNA NIGER STATE

    how many work is needed to stop a 20g bullet moving witi speed of 150ms'1

More Similar Questions