physics

posted by .

At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 5.95 m above the water. One diver runs off the edge of the cliff, tucks into a "ball," and rotates on the way down with an average angular speed of 2.55 rev/s. Ignore air resistance and determine the number of revolutions she makes while on the way down.

  • physics -

    d = 0.5g*t^2 = 5.95 m.
    4.9t^2 = 5.95
    t^2 = 1.21 s.
    t = 1.10 s.

    2.55rev/s * 1.1s = 2.8 revs.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    I need help solving the problem below. Please respond. At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 8.9 m above the water. One diver runs off the edge of the cliff, tucks into a "ball," and …
  2. Physics

    A diver in Acapulco jumps off a 150 ft cliff. His forward motion is 10 feet per second. The base of the cliff at the waters edge extends 38 feet beyound the top edge of the cliff. Will the diver land in the water?
  3. Physics

    A diver in Acapulco jumps off a 150 ft cliff. His forward motion is 10 feet per second. The base of the cliff at the waters edge extends 38 feet beyound the top edge of the cliff. Will the diver land in the water?
  4. physics

    At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 7.4 m above the water. One diver runs off the edge of the cliff, tucks into a "ball," and rotates on the way down with an average angular speed …
  5. Physics

    A runner runs and jumps off a cliff into the water below. If the runner takes up running a 9.37 m/s and lands in the water 2.0 m away from the cliff's edge: How tall is the cliff?
  6. Physics

    A diver running 1.69 m/s dives out horizontally from the edge of a vertical cliff and 3.11 s later reaches the water below. How high was the cliff, and how far from the base did the diver hit the water?
  7. Physics

    A diver running 1.69 m/s dives out horizontally from the edge of a vertical cliff and 3.11 s later reaches the water below. How high was the cliff, and how far from the base did the diver hit the water?
  8. Physics

    A diver running 1.1 m/s dives out horizontally from the edge of a vertical cliff and 3.3 s later reaches the water below. How high was the cliff?
  9. physics

    George, a cliff diver, begins running 3.15 m away from the edge of a 33.3 m high cliff, if he accelerate at a constant rate of 0.76 m/s2 until he runs horizontally off the cliff, then how far away from the base will he hit the water?
  10. Physics

    A diver running 1.8 m/s dives out horizontally from the edge of the cliff and 3 s later he reaches the water below. (a) Calculate the resultant velocity (with direction) of the diver just before he hits the water. (10) (b) How high …

More Similar Questions