i need 3 and 4 only А. Ipt(s) is/C. III and IVD. II And IVВ. IП5. Which concept{s) is/are highlighted in Einstein's Theory of Relativity?А. IID. I And IVВ. ШC. II and IIIWhat I KnowDIRECTIONS: Encircle the letter of the correct answer.1. Which of the following frames of reference do the laws of physics apply?C. moving in a circular motionA. acceleratingB. moving ellipticallyD. moving in a uniform velocity2. Which of the following describes Einstein's postulate about the speed of light?A. it is relativeB. it varies in different mediaC. it is constant in all accelerating frames of referenceD. it is constant in all uniformly moving frames of reference3. Which of the following will be observed in an object with relativistic speed movingpast an observer at rest?A. both length and time increasedB. both length and time decreasedC. length is stretched and the time is shortenedD. length is contracted and the time is stretched4. Suppose a particle moving at relativistic speed flew past the Earth and was decayinginto smaller particles, what would the Earth-based scientists observe about thedecay process?A. fasterWhat do we call the length that was measured when the object is stationary?A. proper lengthB. altered lengthB. slowerC. reversedD. same rate5.C. natural lengthD. relativistic length26DO O11/12

When an object is moving with some relativistic speed v. If we measure its length and time in its…

D. it is constant in all 3. Which of the following will be observed in an object with relativistic speed moving past an observer at rest? A. both length and time increased B. both length and time decreased C. length is stretched and the time is shortened D. length is contracted and the time is stretched 4. Suppose a particle moving at relativistic speed flew past the Earth and was decaying into smaller particles, what would the Earth-based scientists observe about the decay process? A. faster B. slower C. reversed D. same rate