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

Author Question: Three different-mass projectiles are launched at different angles of elevation from the top of a ... (Read 11 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
on: Jul 28, 2018
Three different-mass projectiles are launched at different angles of elevation from the top of a building. Each particle has the same initial kinetic energy. Which particle has the greatest speed just as it impacts with the ground?
 a. The one launched at the highest angle of elevation.
  b. The one with the highest mass.
  c. The one with the lowest mass.
  d. They all will have the same speed on impact.

Question 2

An electrical generating plant operates at a boiler temperature of 200C and exhausts the unused heat into a nearby river at 20C. What is the maximum theoretical efficiency of the plant? (0C = 273 K)
 a. 61
  c. 21
  b. 38
  d. 41


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

DylanD1323

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


mpobi80

  • Member
  • Posts: 519
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
Center of Mass of a Binary Star System Center of Mass of a Binary Star System
Air-mass thunderstorms—mT air masses Air-mass thunderstorms—mT air masses
How to find the sum of the interior angles of any polygon How to find the sum of the interior angles of any polygon
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ... Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...
A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat ... A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat ...
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library