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

Author Question: A ball dropped from the top of a building hits the ground 9.0 s later. How high is the building (in ... (Read 97 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
on: Jul 28, 2018
A ball dropped from the top of a building hits the ground 9.0 s later. How high is the building (in meters)?

Question 2

How many atoms are in 1.00 mol of Mg?
 a. 24.3
  b. 6.02  1023
  c. 24.3  6.02  1023
  d. 24.3  1023


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 28, 2018
Answer to Question 1

400 m (rounded to two significant figures)

Answer to Question 2

b


silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jul 28, 2018
Thank you!


brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

20,000 year old Arctic ground squirrel mummy 20,000 year old Arctic ground squirrel mummy
Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
Rank-order correlations show that differential consistency remains high from childhood through late ... Rank-order correlations show that differential consistency remains high from childhood through late ...
The common rail on a Cummins diesel engine. A high-pressure pump (up to 30,000 PSI) is used to ... The common rail on a Cummins diesel engine. A high-pressure pump (up to 30,000 PSI) is used to ...
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
A 44-g block of ice at -15°C is dropped into a calorimeter (of negligible heat c A 44-g block of ice at -15°C is dropped into a calorimeter (of negligible heat c
Video: How eudicots (true dicots) differ from monocots Animation

For a complete list of videos, visit our video library