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

Author Question: The nucleus makes up about what percentage of the mass of an atom? a) 25 b) 50 c) 81.3 d) ... (Read 61 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
on: Jul 28, 2018
The nucleus makes up about what percentage of
  the mass of an atom?
   a) 25
   b) 50
   c) 81.3
   d) more than 99

Question 2

A 12-g bullet moving horizontally strikes and remains in a 3.0-kg block initially at rest on the edge of a table. The block, which is initially 80 cm above the floor, strikes the floor a horizontal distance of 120 cm from its initial position. What was the initial speed of the bullet?
 a. 0.68 km/s
  b. 0.75 km/s
  c. 0.81 km/s
  d. 0.87 km/s
  e. 0.41 km/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

choc0chan

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

b


jhjkgdfhk

  • Member
  • Posts: 569
Reply 2 on: Jul 28, 2018
Excellent

adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

The Ventral Tegmental Area and the Nucleus Accumbens The Ventral Tegmental Area and the Nucleus Accumbens
The Gender Pay Gap Over Time: What Percentage of Men's Income Do Women Earn? The Gender Pay Gap Over Time: What Percentage of Men's Income Do Women Earn?
Air Mass Thunderstorms Air Mass Thunderstorms
Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012 Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012
A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ... A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ...
How body makes blood flow more into brain instead of foot? How body makes blood flow more into brain instead of foot?
Video: Spermatogenesis Animation

For a complete list of videos, visit our video library