Two neutron stars are separated by a distance of 1.0 * 10^10 m. They each have a mass of 1.0 * 10^30 kg and a radius of 1.0* 10^5 m.They are initially at rest with respect to each other. As measured from that rest frame, how fast are they moving when (a) their separation has decreased to one-half its initial value and (b) they are about to collide?

Q: The proper length of one spaceship is twice the proper length of another. You, an observer in an…

A:

Q: Two rockets are approaching each other on a collision course. Relative to a stationary observer on…

A: Given data: The lengths of rocket is L. The speed of rocket 1 is v1=9/10 c=0.9c. The speed of…

Q: A space shuttle passes the Earth at a speed of 0.80c. If the space shuttle is 30 m in length as…

A: Given: The speed of the space shuttle is 0.8c. The length of the space shuttle is 30 m.

Q: Reference frame S' moves at speed v =0.95c in the +a direction with respect to reference frame S.…

A:

Q: A rod measures 1.00 m in its rest frame. How fast must an observer move parallel to the rod to…

A:

Q: In an experiment, a particle of mass m is shot with speed v0 against a second resting particle of…

A:

Q: Two neutron stars are separated by a distance of 1.0 x 1011 m. They each have a mass o are initially…

A: Given:- The separation distance between the two neutron stars r= 1.0 x 1011 m  They have a mass m =…

Q: Calculate the interval ∆s2 between two events with coordinates (x1 = 50 m, y1 = 0, z1 = 0, t1 = 1…

A:

Q: A particle has a rest mass of 6.95×10−276.95×10−27 kg and a momentum of 5.07×10−18 kg·m/s.5.07×10−18…

A: The relativistic energy of a particle in terms of momentum and rest mass can be expressed as,…

Q: A red light flashes at position xR = 3.00 m and time tR = 1.00 × 10-9 s, and a blue light flashes at…

A:

Q: Two neutron stars are separated by a distance of 1.0 x 101" m. They each have a mass of 1.0 x 1031…

A: in the  Given question two Newton's starts are separated by distance 1× 1011 m Mass of each Neutron…

Q: kg, An unstable particle at rest spontaneously breaks into two fragments of unequal mass. The mass…

A: Given Data Mass of the first fragment is m1=2.80×10-28 kg Mass of the other fragment is…

Q: A proton has rest mass 1.67x10-27kg and momentum 5.00x10-19kg m/s. Find the ratio of the kinetic…

A: Given : Rest mass (m) = 1.67 * 10 -27 kg Momentum(p) = 5* 10-19 kg.m/s

Q: 43. Which is not an inertial frame?        Earth       A stationary frame       An accelerated frame…

A: An inertial frame of reference is defined as a frame of reference where Newton’s laws of motion hold…

Q: A spacecraft with a proper length of 250 m passes by an observer on the Earth. According to this…

A: proper length (Lo) = 250 m Let the speed of spacecraft = v time taken to pass a point as observed by…

Q: 18.) A space shuttle passes the Earth at a speed of 0.80c. If the space shuttle is 30 m in length as…

A:

Q: Which of the following event is TRUE based on the special theory of relativity? A. Clocks that are…

A: Time dilation is a phenomenon observed when there is a relative speed between two inertial frames of…

Q: An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter…

A:

Q: A rocket cruises past a laboratory at 0.400 x 10° m/s in the positive I-direction just as a proton…

A:

Q: Two neutron stars are separated by a distance of 1.0 x 1010 m. They each have a mass of 1.0 x 1030…

A:

Q: An object moving with velocity u's 0.6c in a frame that is itself moving at v =0.8c. The yelocity of…

A:

Q: A spacecraft with a proper length of Lp passes by an observer on the Earth. According to this…

A: It is known that when an object moves in high speed with respect to an observer then its length…

Q: is 0.961c. Two micrometeorites collide at coordinates x = 129 km and t = 192 μs according to an…

A: Given:- The origins of the two frames coincide at t = t' = 0 and the relative speed is 0.961c. Two…

Q: An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter…

A:

Q: Two protons, each having a speed of 0.990c in the laboratory, are moving toward each other.…

A: Given data : Speed of protons is, v=v1=v2=0.990c

Q: A rocket launched outward from Earth has a speed of 0.38c relative to the Earth. The rocket is…

A: The speed of the meteor as observed from earth is     0.435967c  m/s.

Q: Calculate the interval ∆s^2 between two events with coordinates (x1 = 50 m, y1 = 0, z1 = 0, t1 = 1…

A:

Q: A particle moving at speed 0.40c has momentum p0 . The speed of the particle is increased to 0.80c.…

A: Given: The speed of the particle is v=0.40c. The increased speed of particle is v’=0.80c.…

Q: An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter…

A:

Q: A space cowboy wants to eject from his spacecraft 100,000 km after passing a space buoy, as seen by…

A: Given: The distance covered is 100000 km. The speed is 0.300 c.

Q: Apply the special theory of relativity to prove that the time interval t in the moving reference…

A: Consider that you are in an inertial frame (S) where there is a light clock consisting of 2 mirrors…

Q: An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter…

A:

Q: If the mean proper life-time of particles is 2.2 x 104 s, the average distance would they travel in…

A: Write the given values with the suitable variables. τ=2.2×10-6 sv=0.6c Here, τ and v are the mean…

Q: Two manned satellites are approaching one another at a relative speed of 0.235 m/s, intending to…

A: Given: Relative velocity V(rel.)=0.235 m/s Mass m1=3.95 x 103 kg And m2=10.8 x 103 kg (a) For…

Q: Two identical particles P and Q of rest mass m,, are moving with velocities 5c 2c and 19 in…

A:

Q: An object, with mass m and speed v relative to an observer,explodes into two pieces, one three times…

A:

Q: The Sun produces energy at a rate of 4.00 x 1026 W by the fusion of hydrogen. How many kilograms of…

A: Energy produce by the sun is E = 4.00 x 1026 W

Q: Calculate the interval ∆s2 between two events with coordinates ( x1 = 50 m, y1 = 0, z1 = 0, t1 = 1…

A: Einstein with his special theory of relativity brought in an entirely new understanding of the world…