« previous next »

Author Question: When a lump of uranium is broken into smaller pieces, the total surface area A) decreases. B) ... (Read 28 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?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

An intra-aortic balloon pump increases circulation to the coronary arteries and decreases the worklo An intra-aortic balloon pump increases circulation to the coronary arteries and decreases the worklo
Broca’s Area Broca’s Area
Winds Aloft and Near the Surface: Gradient Flow Winds Aloft and Near the Surface: Gradient Flow
Surface Maps Surface Maps
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?
Calculating the area of a circular ring Calculating the area of a circular ring
Video: Burn Animation

For a complete list of videos, visit our video library