science

How can a particle have energy but no mass?when there is an equation E=mc^2.

Another question how can light particles have momentum without mass !When p=mv>>>>>>>>>DOUBT PLZ CLARIFY!

DOUBTS ARE THE KILLERS OF HUMAN BRAIN!

  1. 👍 0
  2. 👎 0
  3. 👁 96

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    Question: particle J with zero initial mass and X energy accelerates from a static start to 'C' (light speed) in a time frame of N and mass increases 10 to the 28th power per nanosecond- -What is the mass on particle J? -What is

    asked by Dan on January 16, 2013
  2. Physics

    A particle of mass m1 = 2.5 kg moving along the x axis collides with a particle of mass m2 = 4.9 kg initially at rest. The incoming particle is deflected in the direction 22 degrees above the x axis, whereas the target particle

    asked by Ana on November 5, 2016
  3. Physics

    Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart and they then fly off in opposite directions, free of the spring. The mass of A is 3.00 times

    asked by tom-H on April 4, 2018
  4. physics

    One particle has a mass of 3.00*10-3 kg and a charge of +7.60 ┬ÁC. A second particle has a mass of 6.00*10-3 kg and the same charge. The two particles are initially held in place and then released. The particles fly apart, and

    asked by Ann on February 3, 2007
  5. Chemistry

    Kinetic energy = 1/2 mv^2 where m is the mass of the particle and v is the velocity of the particle. A joule is the SI unit for energy and is kg.m^2/s^2. Find the energy in joules of a 56.7 g mass moving at the speed of 70. km.

    asked by Lina on November 5, 2012
  6. Physics help please

    The lowest possible energy for a certain positively charged particle trapped in a box is 2.00 eV. (a) What are the next two higher energies a particle can have? b) Is 30 eV an allowed energy? (c) Is 32 eV an allowed energy? (d)

    asked by Sarah on October 21, 2014
  7. 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)

    asked by ucieng on February 6, 2010
  8. 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

    asked by Thousif on August 22, 2017
  9. Physics Mechanics

    Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart, and they then fly off in opposite directions, free of the spring. The mass of A is 3.00 times

    asked by D on February 23, 2011
  10. modern physics - relativity

    A photon of energy E collides with a stationary particle of rest mass m0 and is absorbed by it . (A) what is the velocity of resulting composite particle ? (B) What is the mass of the resulting composite particle ? use

    asked by walter on June 7, 2011

More Similar Questions