Author Question: Raising the temperature of air will 1.decrease the speed of sound in the air. 2.increase the speed ... (Read 96 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
Raising the temperature of air will
  1.decrease the speed of sound in the air.
  2.increase the speed of sound in the air.
  3.not affect the speed of sound in the air.
  4.sometimes increase and sometimes decrease the speed of sound in air.

Question 2

For which of the following will the phenomenon of wave interference apply? (Choose the best answer.)
  1.square-shaped pulses
  2.sinusoidal pulses
  3.triangular pulses
  4.all of these



xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

2

Answer to Question 2

4



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

For a complete list of videos, visit our video library