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 12 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
Thanks for the timely response, appreciate it

dreamfighter72

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Mass Loss by a Supermassive Star Mass Loss by a Supermassive Star
Graph showing the relationship between the freezing point of the coolant and the percentage of ... Graph showing the relationship between the freezing point of the coolant and the percentage of ...
Most PCV valves used on newer vehicles are secured with fasteners, which makes it more difficult ... Most PCV valves used on newer vehicles are secured with fasteners, which makes it more difficult ...
A schematic view of delivery of a protein, synthesized in cytoplasm, into the nucleus A schematic view of delivery of a protein, synthesized in cytoplasm, into the nucleus
Lab: Mass Relationships in Chemical Reaction Lab: Mass Relationships in Chemical Reaction
Jawad makes semi-annual contributions of $2000 starting on his 27th birthday. How much will he ... Jawad makes semi-annual contributions of $2000 starting on his 27th birthday. How much will he ...
Video: How does an animal choose what food to eat?

For a complete list of videos, visit our video library