Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 37: Q88P (page 1151)

A Foron cruiser moving directly toward a Reptulian scout ship fires a decoy toward the scout ship. Relative to the scout ship, the speed of the decoy is 0.980cand the speed of the Foron cruiser is 0.900c. What is the speed of the decoy relative to the cruiser?

Short Answer

Expert verified

The speed of decoy relative to cruiser is 0.677c.

Step by step solution

01

Identification of given data

The speed of decoy is u=0.980c

The speed of Foron is v=0.900c

The Foron is moving opposite to the decoy so speed of the Foron is taken opposite to the speed of decoy and we substitute speed of Foron in expression with negative sign.

02

Determination of speed of decoy relative to crusier

The speed of decoy relative to cruiser is given as:

U=u+v1+u·vc2

Here, c is the speed of light.

Substitute all the values in the above equation.

U=0.980c+-0.900c1+0.980c-0.900cc2U=0.677c

Therefore, the speed of decoy relative to cruiser is 0.677c.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

An armada of spaceships that is 1.00 ly long (as measured in its rest frame) moves with speed 0.800c relative to a ground station in frame S.A messenger travels from the rear of the armada to the front with a speed of 0.950c relative to S. How long does the trip take as measured (a) in the rest frame of the messenger, (b) in the rest frame of the armada, and (c) by an observer in the ground frame S?

Galaxy A is reported to be receding from us with a speed of 0.35c. Galaxy B, located in precisely the opposite direction, is also found to be receding from us at this same speed. What multiple of c gives the recessional speed an observer on Galaxy A would find for (a) our galaxy and (b) Galaxy B?


The premise of the Planet of the Apes movies and books is that hibernating astronauts travel far into Earth’s future, to a time when human civilization has been replaced by an ape civilization. Considering only special relativity, determine how far into Earth’s future the astronauts would travel if they slept for 120 y while traveling relative to Earth with a speed of 0.9990c, first outward from Earth and then back again?

In Fig. 37-9, observer S detects two flashes of light. A big flash occurs at x1=1200mand , slightly later, a small flash occurs at x2=480m. The time interval between the flashes is∆t=t2-t1. What is the smallest value of ∆t for which observer S' will determine that the two flashes occur at the same x' coordinate?

(a) What potential difference would accelerate an electron to speed c according to classical physics? (b) With this potential difference, what speed would the electron actually attain?
See all solutions

Recommended explanations on Physics Textbooks

Nuclear Physics

Read Explanation

Dynamics

Read Explanation

Classical Mechanics

Read Explanation

Torque and Rotational Motion

Read Explanation

Medical Physics

Read Explanation

Magnetism

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free