This topic contains a solution. Click here to go to the answer

Author Question: Two objects of different mass are released simultaneously from the top of a 20-m tower and fall to ... (Read 46 times)

kshipps

  • Hero Member
  • *****
  • Posts: 571
Two objects of different mass are released simultaneously from the top of a 20-m tower and fall to the ground. If air resistance is negligible, which statement best applies?
 a. The greater mass hits the ground first.
  b. Both objects hit the ground at the same time.
  c. The smaller mass hits the ground first.
  d. No conclusion can be made with the information given.

Question 2

A rock is thrown straight up with an initial velocity of 24.5 m/s. What time interval elapses between the rock's being thrown and its return to the original launch point? (Acceleration due to gravity is 9.80 m/s2.)
 a. 4.00 s
  c. 8.00 s
  b. 5.00 s
  d. 10.0 s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Silverbeard98

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

B

Answer to Question 2

B




kshipps

  • Member
  • Posts: 571
Reply 2 on: Jul 28, 2018
:D TYSM


lkanara2

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

For a complete list of videos, visit our video library