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

Author Question: A ball is thrown downward from the top of a building with an initial speed of 25 m/s. It strikes the ... (Read 170 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Jul 29, 2018
A ball is thrown downward from the top of a building with an initial speed of 25 m/s. It strikes the ground after 2.0 s. How high is the building, assuming negligible air resistance?
 
  A) 20 m
  B) 30 m
  C) 50 m
  D) 70 m

Question 2

A hoop with a mass of 2.75 kg is rolling without slipping along a horizontal surface with a speed of 4.5 m/s when it starts down a ramp that makes an angle of 25 below the horizontal.
 
  What is the rotational kinetic energy of the hoop after it has rolled 3.0 m down as measured along the surface of the ramp? A) 34 J
  B) 22 J
  C) 45 J
  D) 62 J
  E) This question cannot be answered without knowing the radius of the hoop.
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


captainjonesify

  • Hero Member
  • *****
  • Posts: 543
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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.

Building competency in patient centered care Building competency in patient centered care
Building competency in safety Building competency in safety
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
Genital herpes—U.S. initial visits to physicians' offices, 1866–2009. Genital herpes—U.S. initial visits to physicians' offices, 1866–2009.
Aspergillosis fungal ball in the right lung. Aspergillosis fungal ball in the right lung.
Building a synthetic version of the 1.08-Mb Mycoplasma mycoides genome JCVI-syn1.0 Building a synthetic version of the 1.08-Mb Mycoplasma mycoides genome JCVI-syn1.0
Video: Stroke volume - afterload definition & hypertension

For a complete list of videos, visit our video library