Author Question: A heat pump will have an efficiency (heat out to electrical in) of about ________. a. 35 b. 50 c. ... (Read 44 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
A heat pump will have an efficiency (heat out to electrical in) of about ________.
 a. 35 b. 50 c. 75 d. 100 e. 200

Question 2

A track star in the broad jump goes into the jump at 12 m/s and launches himself at 20 above the horizontal. How long is he in the air before returning to Earth?



tandmlomax84

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

e

Answer to Question 2

0.84 s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

For a complete list of videos, visit our video library