physics

A 0.730 kg particle has a speed of 3.00 m/s at point A and kinetic energy of 7.40 J at B. What is its speed at B? Answer in units of m/s.

  1. 👍 0
  2. 👎 0
  3. 👁 130
  1. (1/2) m v^2 = 7.4

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. SCIENCE

    Two objects with equal masses are in motion. Which object will have more kinetic energy? (1 point) the object with the greater volume the object with the greater velocity the object with the greater density the object with the

  2. Science

    Kinetic energy is transferred from a bowling ball to a bowling pin, causing the pin to fly away at a much higher speed than the bowling ball. What does this tell you about the bowling pin?(1 point) The pin has much less kinetic

  3. Science

    PLEASE CHECK MY ANSWERS------------------------------------------------- An object falls through the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the law of conservation of

  4. Physics

    A 59 g particle is moving to the left at 29 m/s. How much net work must be done on the particle to cause it to move to the right at 38 m/s? .....i have tried two different ways and gotten the wrong answer. Kinetic Energy = 0.5 *

  1. Physics

    What is the speed ratio (vA/vB) if particle A has 6 times the kinetic energy and half the mass of particle B? 3.46 1.73 2.45 0.289

  2. Physics

    A particle of mass m kinetic energy K momentum p collides head on elastically with another particle of mass 2m at rest A) Momentum of first particle ? B) momentum of second particle? C) kinetic energy of first particle? D) kinetic

  3. Physics

    A single conservative force acts on a 5.00 kg particle. The equation Fx = (2x + 4) N describes this force, where x is in meters. As the particle moves along the x axis from x = 1.40 m to x = 5.80 m, calculate the following. (a)

  4. Science

    1. How do you calculate kinetic energy (what is the formula) 2. A 700-kg vehicle is traveling at a speed of 6 m/s. How much kinetic energy does it have? 3. Two rocks of different masses are rolling down a hill at the same speed.

  1. physics

    A block of mass 0.78kg starts from rest at point A and slides down a frictionless hill of height h. At the bottom of the hill it slides across a horizontal piece of track where the coefficient of kinetic friction is 0.29. This

  2. Physics 2

    A particle moves along a line where the potential energy of its system depends on its position r as graphed in Figure P8.46. In the limit as r increases without bound, U(r) approaches +1 J. (a) Identify each equilibrium position

  3. Physics

    The particles as shown in the figure below are connected by a very light rod. They rotate about the y axis at 1.9 rad/s. a. Find the speed of each particle, and use it to calculate the kinetic energy of this system directly from

  4. Physics

    Determine the ratio of the relativistic kinetic energy to the nonrelativistic kinetic energy (1/2mv2) when a particle has a speed of (a) 2.12 x 10-3c. and (b) 0.959c.

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