Science

posted by .

WHen a wrecking ball hits a wall, it is usually moving at about 10 km/h, which is not very fast. How can this ball knock down a solid wall?

  • Science -

    The momentum is what does the dirty work. The speed is slow but mass x velocity is large since mass is large.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics conservation of momentum

    A 0.5 kg ball is thrown horizontally towards a wall with a speed of 10 m/s. The initial velocity is chosen to be the positive x-direction for this question. The ball horizontally rebounds back from the wall with a speed of 10 m/s in …
  2. Physics

    A tennis ball of mass 57. g bounces off a wall. Right before hitting the wall, the ball is moving to the right and up with vx=+40. m/s and vy=+10. m/s. Right after bouncing off the wall, the ball is moving to the left and up with vx=-35. …
  3. Physics

    A tennis ball of mass 57. g bounces off a wall. Right before hitting the wall, the ball is moving to the right and up with vx=+40. m/s and vy=+10. m/s. Right after bouncing off the wall, the ball is moving to the left and up with vx=-35. …
  4. uta

    A tennis ball with a speed of 25.9 m/s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 21.3157 m/s. If the ball is in contact with the wall for 0.0133 s, what …
  5. Physics

    You throw a ball with a speed of 30 m/s at an angle of 40.0° above the horizontal directly toward a wall. The wall is 22.0 m from the release point of the ball. (a) How long does the ball take to reach the wall?
  6. Physics

    A tennis ball with a speed of 14m/s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 11.41m/s. If the ball is in contact with the wall for 0.0112s, what is the …
  7. physics

    A tennis ball with a speed of 12.5 m/s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 11.4 m/s. If the ball is in contact with the wall for 0.0139 s, what is …
  8. physics

    A 70 kg man holding a 0 . 857 kg ball stands on a frozen pond next to a wall. He throws the ball at the wall with a speed of 11 . 9 m / s (relative to the ground) and then catches the ball after it rebounds from the wall. How fast …
  9. physic

    A 1250 kg wrecking ball is lifted to a height of 12.7 m above its resting point. When the wrecking ball is released, it swings toward an abandoned building and makes an indentation of 43.7 cm in the wall. a. What is the potential energy …
  10. PHYSICS

    A 1250 KG wrecking ball is lifted to a height of 12.7 m above its resting point . When the wrecking ball is released, its swings toward an abandoned building and makes an indentation of 43.7 cm in the wall. A) What is the potential …

More Similar Questions