This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Earth observes a rocket move away at 0.370c. The rocket is designed to launch a projectile at 0.505c ... (Read 78 times)

09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
on: Jul 27, 2018
Earth observes a rocket move away at 0.370c. The rocket is designed to launch a projectile at 0.505c relative to the rocket.
 
  (a) Fired straight ahead, what is the projectile speed observed from Earth?
  (b) Launched to the rear, what is the projectile speed observed from Earth?

Question 2

What is the energy of a photon of wavelength 3 cm?
 
  A) 82 eV
  B) 4.1  10-5 eV
  C) 41 eV
  D) 4.1  10-5 J
  E) 3 ergs


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Tabitha_2016

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 0.737c
(b) 0.166c

Answer to Question 2

B


09madisonrousseau09

  • Member
  • Posts: 559
Reply 2 on: Jul 27, 2018
:D TYSM

pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Annual net primary productivity on Earth. Annual net primary productivity on Earth.
The Interiors of Earth and Mercury The Interiors of Earth and Mercury
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
Lift sides of waist with deep effleurage strokes from the side. Move to opposite side and reach over ... Lift sides of waist with deep effleurage strokes from the side. Move to opposite side and reach over ...
Synthesis of designed antisense RNAs Synthesis of designed antisense RNAs
Precession: Earth’s axis rotates, or “wobbles” Precession: Earth’s axis rotates, or “wobbles”
Video: Evolutionary tree of life Animation

For a complete list of videos, visit our video library