This topic contains a solution. Click here to go to the answer

Author Question: The length of the telescope is 1.60 m and it has a magnification of 60.0. What is the focal length ... (Read 48 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
The length of the telescope is 1.60 m and it has a magnification of 60.0. What is the focal length of the objective?
 
  A) 60.0 cm
  B) 157 cm
  C) 100 cm
  D) 128 cm
  E) 96.0 cm

Question 2

A firecracker breaks up into several pieces, one of which has a mass of 200 g and flies off along the x-axis with a speed of 82.0 m/s. A second piece has a mass of 300 g and flies off along the y-axis with a speed of 45.0 m/s.
 
  What are the magnitude and direction of the total momentum of these two pieces? A) 361 kgm/s at 56.3 from the x-axis
  B) 93.5 kgm/s at 28.8 from the x-axis
  C) 21.2 kgm/s at 39.5 from the x-axis
  D) 361 kgm/s at 0.983 from the x-axis
  E) 21.2 kgm/s at 56.3 from the x-axis



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

gasdhashg

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

B

Answer to Question 2

C





 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

For a complete list of videos, visit our video library