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

Author Question: A rock is thrown straight up with an initial velocity of 20.0 m/s. Ignore energy lost to air ... (Read 104 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Jul 28, 2018
A rock is thrown straight up with an initial velocity of 20.0 m/s. Ignore energy lost to air friction. How high will the rock rise?
 a. 41.0 m
  c. 20.4 m
  b. 10.2 m
  d. 11.5 m

Question 2

If an ideal gas does positive work on its surroundings, we may assume, with regard to the gas, that its:
 a. temperature increases.
  c. pressure increases.
  b. volume increases.
  d. internal energy decreases.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kristenb95

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


WhattoUnderstand

  • Member
  • Posts: 517
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Models for the electron orbitals and energy shells of carbon Models for the electron orbitals and energy shells of carbon
Energy cycle of the biosphere Energy cycle of the biosphere
(a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D (a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D
The growth in demand for energy use is met by burning fossil fuels The growth in demand for energy use is met by burning fossil fuels
Energy pyramid Energy pyramid
Producer acquiring energy and nutrients from the environment Producer acquiring energy and nutrients from the environment
Video: Ventilation - phases and driving forces

For a complete list of videos, visit our video library