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

Author Question: An object is dropped from a vertical distance of 25.5 m above the ground, and it takes 2.28 sec to ... (Read 248 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
on: Jul 28, 2018
An object is dropped from a vertical distance of 25.5 m above the ground, and it takes 2.28 sec to fall that distance. A second identical object to launched from the same height, with a horizontal velocity of 45.9 m/s. How long does the second object take to fall the 25.5 m?
 a. More than 2.28 sec
  b. Almost 2.28 sec.
  c. Less than 2.28 sec
  d. Exactly 2.28 sec
  e. Much less than 2.28 sec

Question 2

Which type of reaction is 2Cu(NO3)2 2CuO + 4NO2 + O2?
 a. Single-replacement
  b. Double-replacement
  c. Combination
  d. Decomposition


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bubulittle310@msn.cn

  • Sr. Member
  • ****
  • Posts: 281
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

d


jrubin

  • Member
  • Posts: 552
Reply 2 on: Jul 28, 2018
Gracias!

emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Visual Object Agnosia Without Prosopagnosia Visual Object Agnosia Without Prosopagnosia
Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
The heat range of a spark plug is determined by the distance the heat has to flow from the tip to ... The heat range of a spark plug is determined by the distance the heat has to flow from the tip to ...
How to solve a distance, time, speed problem using linear algebra How to solve a distance, time, speed problem using linear algebra
Stretch the flexor muscles with hyperextension at the wrist. Hold the forearm vertical with one ... Stretch the flexor muscles with hyperextension at the wrist. Hold the forearm vertical with one ...
How do i calulate an object of that is dropped from (g=9.80m/s2) for 5 s before hitting the ... How do i calulate an object of that is dropped from (g=9.80m/s2) for 5 s before hitting the ...
Video: How to find out if a population is evolving?

For a complete list of videos, visit our video library