After a tornado, a 0.55g straw was found embedded 2.3cm into the trunk of a tree. if the average force excerted on the straw by the tree was 65N, what was the speed of the straw when it hit the tree?

  1. 👍 2
  2. 👎 0
  3. 👁 1,756
  1. (Kinetic energy of straw) = Work = (Force)x(penetration distance)
    (1/2) M V^2 = F*X

    V = sqrt(2F*X/M)

    1. 👍 1
    2. 👎 0
  2. 2.32

    1. 👍 1
    2. 👎 0
  3. 74 m/s

    1. 👍 2
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. biology

    Several species of warblers can live in the same spruce tree ONLY because they a. have different habitats within the tree b. don't eat food from the tree c. occupy different niches within the tree **** d. can find different

  2. Physics

    A trunk of mass m = 1.100 kg is pushed a distance d = 32.0 cm up an incline with an angle of inclination theta = 26.0 ° by a constant horizontal force P = 150. N. The coefficient of kinetic friction between the trunk and the

  3. math

    What's the quickest way for an ant to go from the ground to the tree trunk?

  4. Physics- torque

    A man ties one end of a strong rope 8.35 m long to the bumper of his truck, 0.506 m from the ground, and the other end to a vertical tree trunk at a height of 3.92 m. He uses the truck to create a tension of 8.32x10^2 N in the

  1. physic

    A pair of students are lifting a heavy trunk on move-in day. (Figure 1) Using two ropes tied to a small ring at the center of the top of the trunk, they pull the trunk straight up at a constant velocity v⃗ . Each rope makes an

  2. physics

    you slide a 325N trunk up a 20 degree inclined plane w/ constant velocity by exerting a force of 211 N parallel to the inclined plane a) what is the comp. of the trunk's weight parallel to the plane? b) what is the sum of the Fa,

  3. participial phrases

    Which sentence contains a participial phrase with an embedded clause? Running, giraffes look like something that was designed in a bad dream. Running when they heard the gunshots, the giraffes fled to safety. Tired and hot, they

  4. Precalculus

    An 18 m tall tree is broken during a severe storm. The distance from the base of the trunk to the point where the tip touches the ground is 12 m. At what height did the tree break?

  1. Physics

    A 4.17 g bullet moving at 506.1 m/s penetrates a tree trunk to a depth of 4.64 cm. a) Use work and energy considerations to find the magnitude of the force that stops the bullet. Answer in units of N. b) Assuming that the

  2. Physics

    A 45 kg trunk is pushed 7.8 m at constant speed up a 30° incline by a constant horizontal force. The coefficient of kinetic friction between the trunk and the incline is 0.23. a)Calculate the work done by the applied horizontal

  3. Physics

    What force would you have to exert on a 326-N trunk up a 19.0° inclined plane so that it would slide down the plane with a constant velocity? What would be the direction of the force? (The coefficient of friction between the

  4. physics

    You push against a steamer trunk at an angle of 33° with the horizontal . The trunk is on a flat floor and the coefficient of static friction between the trunk and floor is 0.55. The mass of the trunk is 43 kg. What is the

You can view more similar questions or ask a new question.