« previous next »

Author Question: When a lump of uranium is broken into smaller pieces, the total surface area A) decreases. B) ... (Read 70 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
on: Jul 29, 2018
When a lump of uranium is broken into smaller pieces, the total surface area
 
  A) decreases.
  B) remains the same.
  C) increases.

Question 2

Pulling out of a dive, the pilot of an airplane guides his plane into a vertical circle with a radius of 600 m. At the bottom of the dive, the speed of the airplane is 150 m/s. What is the apparent weight of the 70.0-kg pilot at that point?
 
  A) 3310 N
  B) 686 N
  C) 2630 N
  D) 489 N
  E) 1370 N


polinasid

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


polinasid

  • Sr. Member
  • ****
  • Posts: 344
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio
Red rocks due to oxidation of iron near the surface Red rocks due to oxidation of iron near the surface
A container in the shape of a right circular cylinder with no top has surface area square feet. A container in the shape of a right circular cylinder with no top has surface area square feet.
A peice of paper has a perimeter of 100 cm and an area of 616cm^2. Find the dimensions A peice of paper has a perimeter of 100 cm and an area of 616cm^2. Find the dimensions
The diameter of a semicircle is 4 miles. What is the semicircle's area? The diameter of a semicircle is 4 miles. What is the semicircle's area?
Examples of Surface Barriers Examples of Surface Barriers
Video: Power Supply Polyacrylamide Gel Protein Sample

For a complete list of videos, visit our video library