A 2.5 gg particle has momentum 5.0×105 kg⋅m/skg⋅m/s What is the particle's speed? v/c=

A particle with kinetic energy equal to 269 J has a momentum of magnitude 28.9 kg · m/s. Calculate the speed (in m/s) and the mass (in kg) of the particle. speed: ____ m/s mass: ____kg

A 3.25 µg particle moves at 2.09 × 10° m/s. What is its momentum p? p = kg-m/s

An object has a kinetic energy of 312 J and a momentum of magnitude 29.3 kg · m/s. (a) Find the speed of the object. _____m/s (b) Find the mass of the object. ______kg

Two electrons are brought close together, to a distance of 75 pm apart. They are then both released from rest, accelerating and travelling away from one another. When the two particles are very far apart, how fast will they be going, in m/s?

A particle has a rest mass of 7.15×10−27 kg and a momentum of 5.56×10−18 kg·m/s. Determine the total relativistic energy E of the particle.   Find the ratio of the particle's relativistic kinetic energy K to its rest energy ?rest.

An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is equal to 2.60 x 10° -28 kg and that of the heavier fragment is 1.66 × 10° -27 kg. If the lighter fragment has a speed of 0.893c after the breakup, what is the speed of the heavier fragment?

15 mc 4 mc The static energy Eo of a particle of mass m is one fourth of its total energy E. What is the particle's momentum in mc units? √3 mc 715 mc 3 mc

An unstable particle at rest spontaneously breaks into two fragments of unequal mass. The mass of the first fragment is m1 = 2.50 x 10-28 kg, and that of the other is m2 = 1.67 x 10-27 kg. If the speed of m1 is equal to 0.893c after the breakup, where c = 3 x 108 m/s.  What is the final speed of m2?

An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is equal to 2.00 x 10-28 kg and that of the heavier fragment is 1.61 x 10-27 kg. If the lighter fragment has a speed of 0.893c after the breakup, what is the speed of the heavier fragment? C