Science

A 73 kg student traveling in acar with a constant velocity has a kinetic energy of 1.3 x 10^4 J. What is the speedometer reading of the car in km/h?

  1. 👍 0
  2. 👎 0
  3. 👁 203

Respond to this Question

First Name

Your Response

Similar Questions

  1. Science (energy)

    1. What similarities do nuclear energy and chemical energy share? Choose all that apply. A. Both are types of kinetic energy. B. Both are types of potential energy. [CORRECT!] C. Both involve magnetic energy. D. Both involve

  2. 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

  3. physics

    A student holds one end of a string in a fixed position. A ball of mass .2 kg attached to the other end of the string moves in a horizontal circle of radius .5m with a constant speed of 5m/s. How much work is done on the ball by

  4. Physics -- check answers please

    1. A boy pushes a car to slow it down while the car is rolling horizontally down the road. If the boy pushes backwards on the car with 10N of force as the car rolls forward 3.0m, the amount of work done by the boy is: a)-30 b)0

  1. 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.

  2. Chem!??!?!?!?

    Is it possible for a cup of water to completely evaporate in a room with a constant temperature of 21ÂșC??? Yes, of course. Why would you think it would not? A wet towel will dry, right? but why is that? The Kinetic Molecular

  3. Chem please help

    An object A has half the mass and twice the velocity of object B. How are the kinetic energies of A and B related? A. The kinetic energy of B is 4 times that of A. B. The kinetic energy of B is twice that of A. C. The kinetic

  4. science

    An athlete is practicing the shot put using a 16-pound shot, and he throws it 40 feet. He then uses a 12-pound shot and throws it 50 feet. In three to four sentences, explain why there is a difference in these throws using the

  1. Science

    How would the kinetic energy of a 12,000-kg train compare with the kinetic energy of a 900-kg compact car of both were traveling at the same speed?

  2. Physics

    A many Mass 90kg is moving at a constant velocity,he has kinetic energy of 2205j.calculate his velocity

  3. Science Science

    An athlete is practicing the shot put using a 16-pound shot, and he throws it 40 feet. He then uses a 12-pound shot and throws it 50 feet. In three to four sentences, explain why there is a difference in these throws using the

  4. Physics

    A student on a piano stool rotates freely with an angular speed of 2.95 rad/s . The student holds a 1.35 kg mass in each outstretched arm, 0.739 m from the axis of rotation. The combined moment of inertia of the student and the

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