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

Author Question: A large spring is used to stop the cars after they come down the last hill of a roller coaster. The ... (Read 5676 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Aug 1, 2020

Question 1

A champion athlete can produce one horsepower (746 W) for a short period of time. The number of 16 cm high steps a 70 kg athlete could ascend in one minute while expending one horsepower is

◦
4.

◦
7.

◦
65.

◦
408.

◦
4 567.


Question 2

A large spring is used to stop the cars after they come down the last hill of a roller coaster. The cars start at rest at the top of the hill and are caught by a mechanism at the instant their velocities at the bottom are zero. Compare the compression of the spring, xA, for a fully loaded car with that, xB, for a lightly loaded car when mA = 2mB.



◦
xA = xB.

◦
xA = xB.

◦
xA = xB.

◦
xA = 2 xB.

◦
xA = 4 xB.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by dmcintosh on Aug 1, 2020

Carliemb17

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Aug 1, 2020
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


Student69

  • Newbie
  • *
  • Posts: 1
Reply #2 on: Oct 9, 2023
Thank you


« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Wandering Albatrosses are colonial but have large widely spaced territories. Here a pair performs th Wandering Albatrosses are colonial but have large widely spaced territories. Here a pair performs th
Small and large intestines Small and large intestines
China's proposed supercollider plans to be twice the size of the Large Hadron Co China's proposed supercollider plans to be twice the size of the Large Hadron Co
That politics was always a rough business is shown in this cartoon, which shows Lincoln, assisted by That politics was always a rough business is shown in this cartoon, which shows Lincoln, assisted by
Large families on U.S. farms used to be common. Children helped plant and harvest crops, take care ... Large families on U.S. farms used to be common. Children helped plant and harvest crops, take care ...
Reed-Sternberg cells are large, abnormal lymphocytes that may contain more than one nucleus. These ... Reed-Sternberg cells are large, abnormal lymphocytes that may contain more than one nucleus. These ...
Video: Osmosis - water transport

For a complete list of videos, visit our video library