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

Author Question: An object is thrown vertically and accelerates downward at +9.80 m/s2 (downward is positive and ... (Read 114 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Jul 27, 2018
An object is thrown vertically and accelerates downward at +9.80 m/s2 (downward is positive and upward is negative).
 
  (a) What is its displacement after 5.00 s if it starts at 2.50 m/s?
  (b) How fast is it moving after that 5.00 s?

Question 2

Change in internal energy is
 
  A) 1  Qcold/ Qhot.
  B) Q/m.
  C) Qout/ Win.
  D) Q - W.
  E) 1 - Tcold/ Thot.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcni194

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 135. meters
(b) 46.5 m/s

Answer to Question 2

D


Charlie

  • Member
  • Posts: 640
Reply 2 on: Jul 27, 2018
Gracias!

peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

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.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Object and Word Recognition After Vertices Have Been Eliminated (Adapted from Szwed, M., Cohen, L, Q Object and Word Recognition After Vertices Have Been Eliminated (Adapted from Szwed, M., Cohen, L, Q
Object and Word Recognition After Midsegments of Lines Have Been Eliminated Object and Word Recognition After Midsegments of Lines Have Been Eliminated
Do you know what that large object in the center of the photo is? In the 1920s, 30s, and 40s, ... Do you know what that large object in the center of the photo is? In the 1920s, 30s, and 40s, ...
How to find two positive angles less than 360° for a reciprocal trigonometric function (secant) How to find two positive angles less than 360° for a reciprocal trigonometric function (secant)
The position of an object that is oscillating on a spring is given by the equation x = (18.3 ... The position of an object that is oscillating on a spring is given by the equation x = (18.3 ...
If you walk 5.0 m horizontally forward at a constant velocity carrying a 10 N object, the ... If you walk 5.0 m horizontally forward at a constant velocity carrying a 10 N object, the ...
Video: Introduction to Sleep Apnea

For a complete list of videos, visit our video library