An event observed by a stationary observer for 12 seconds. What is the time interval of...
An event observed by a stationary observer for 12 seconds. What is the time interval of the event, according to an observer who moving at a speed of 0.8 c (c = the speed of light).
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An event observed by a stationary observer for 12 seconds. What
is the time interval of...
According to observer O, two events occur separated by a time interval Δt=0.48 μs and at...
According to observer O, two events occur separated by a time interval Δt=0.48 μs and at locations separated by Δx=47.8 m. (a) According to observer O', who is in motion relative to O at a speed of u=0.950c in the positive x direction, what is the time interval between the two events? Answer: 1.052 μs (b)What is the spatial separation between the two events, according to O'? m
Q.12. Calculate the speed of sound at a temperature of 25C. If a stationary observer hears...
Q.12. Calculate the speed of sound at a temperature of 25C. If a stationary observer hears a train horn frequency of 1000 HZ what is the frequency of the horn sound as produced by the source horn of a train moving away from the observer at 50m/s? (20 Points)
Only need part c for the velocity in the y direction An observer is stationary in...
Only need part c for the velocity in the y direction
An observer is stationary in the inertial system S. A car is moving in the x- direction with speed V with respect to the observer in S. The driver of the car is stationary with respect to the car, and thus the driver is in a different inertial frame S. The passenger of the car takes out a baseball, opens the sunroof of the car and throws out the...
Observer O sees a red flash of light at the origin at t = 0 and...
Observer O sees a red flash of light at the origin at t = 0 and a blue flash of light at x = 3.19 km at a time t = 7.56 μs. What are the distance and the time interval between the flashes according to observer O', who moves relative to O in the direction of increasing x with a speed of 0.630c? Assume that the origins of the two coordinate systems line up at t = t' =...
An observer on Earth sees Planet X to be stationary and also sees a rocket traveling...
An observer on Earth sees Planet X to be stationary and also sees a rocket traveling toward Planet X at 0.5c. The rocket emits a pulse of light that travels outward in all directions. According to an observer on Planet X, how fast is the light pulse traveling toward them? a) 2c/3 b) c/2 c) 2c/3 d) 5c/6 e) c
Objects traveling at relativistic speeds will appear to a stationary observer as shorter, as- suming that...
Objects traveling at relativistic speeds will appear to a stationary observer as shorter, as- suming that it is parallel to the direction of its motion. Using the equation for Lorentz contraction, find the following, where c is the speed of light: a) A spaceship is traveling with a velocity 0.8c. If it is 200m long in its rest frame (when the object is not moving), how long do you observe it to be? Assume that you can see the entire...
Two rockets A & B fly past an observer. "A" moves at constant speed 1000 m/s relative to ground, "B" moves at constant speed 1000 m/s relative to ground and opposite of rocket A. Rocket A sends light opposite to where it is heading.
You are standing on the ground observing the sky. Two spaceships A and B fly past you. Spaceship A is moving at a constant speed of 1000 m/s relative to the ground. Spaceship B is moving opposite to A at speed of 1000 m/s relative to the ground. Spaceship A fires a strobe light that sends out a pulse of light opposite to where it is heading. a) What is the velocity of spaceship A relative to spaceship B? b) What is...
9.1 Lorentz Contraction Objects traveling at relativistic speeds will appear to a stationary observer as shorter,...
9.1 Lorentz Contraction Objects traveling at relativistic speeds will appear to a stationary observer as shorter, as- suming that it is parallel to the direction of its motion. Using the equation for Lorentz contraction, find the following, where c is the speed of light: a) A spaceship is traveling with a velocity 0.8c. If it is 200m long in its rest frame (when the object is not moving), how long do you observe it to be? Assume that you can...
(1) Observer S (at x 0) sees a flash of red light at XR 1200 m...
(1) Observer S (at x 0) sees a flash of red light at XR 1200 m from her position and a flash of blue light at x,-480 m on the same straight line. She measures the time interval between the flashes to be 5 us, with the blue flash occurring first (that is, ted ue 5 Hs.) What is the velocity v of observer S' who records the flashes as occurring at the same place, that is, who measures Ax...
Write an expression for how far light travels underwater during a time interval of t seconds....
Write an expression for how far light travels underwater during a time interval of t seconds. Use c for the speed of light and nw index of refraction of water. Using numeric values instead of variables will result in your answer being counted wrong.
Q.12. Calculate the speed of sound at a temperature of 25C. If a stationary observer hears a train horn frequency of 1000 HZ what is the frequency of the horn sound as produced by the source horn of a train moving away from the observer at 50m/s? (20 Points)
Only need part c for the velocity in the y direction
An observer is stationary in the inertial system S. A car is moving in the x- direction with speed V with respect to the observer in S. The driver of the car is stationary with respect to the car, and thus the driver is in a different inertial frame S. The passenger of the car takes out a baseball, opens the sunroof of the car and throws out the...
9.1 Lorentz Contraction Objects traveling at relativistic speeds will appear to a stationary observer as shorter, as- suming that it is parallel to the direction of its motion. Using the equation for Lorentz contraction, find the following, where c is the speed of light: a) A spaceship is traveling with a velocity 0.8c. If it is 200m long in its rest frame (when the object is not moving), how long do you observe it to be? Assume that you can...
(1) Observer S (at x 0) sees a flash of red light at XR 1200 m from her position and a flash of blue light at x,-480 m on the same straight line. She measures the time interval between the flashes to be 5 us, with the blue flash occurring first (that is, ted ue 5 Hs.) What is the velocity v of observer S' who records the flashes as occurring at the same place, that is, who measures Ax...
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