« previous next »

Author Question: A 0.60-kg object is suspended from the ceiling at the end of a 2.0-m string. When pulled to the side ... (Read 120 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
on: Jul 28, 2018
A 0.60-kg object is suspended from the ceiling at the end of a 2.0-m string. When pulled to the side and released, it has a speed of 4.0 m/s at the lowest point of its path. What maximum angle does the string make with the vertical as the object swings up?
 a. 61
  b. 54
  c. 69
  d. 77
  e. 47

Question 2

Any change of the energy of a system occurs because of
 a. energy transfer across the boundaries of the system.
  b. combustion of fuels within the system.
  c. radioactive decay of elements within the system.
  d. all of the above. e. only (b) and (c) above.


ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Cerebral aneurysm. A cerebral aneurysm is the abnormal dilation of arteries supplying the brain, whi Cerebral aneurysm. A cerebral aneurysm is the abnormal dilation of arteries supplying the brain, whi
The heme group viewed from the side. This view shows the two coordination bonds to Fe2+ The heme group viewed from the side. This view shows the two coordination bonds to Fe2+
Michelangelo, The Creation of Adam (restored), ceiling of the Sistine Chapel. Michelangelo, The Creation of Adam (restored), ceiling of the Sistine Chapel.
Ceiling effect of aspirin. A plateau is reached where increasing the dose of aspirin will not create ... Ceiling effect of aspirin. A plateau is reached where increasing the dose of aspirin will not create ...
Wrap the client securely with sheets. (A) Lay one side of the sheet over the body. (B) Enclose the ... Wrap the client securely with sheets. (A) Lay one side of the sheet over the body. (B) Enclose the ...
Shift to one side. Let the recipient’s arm hang down. Knead upper and lower arm muscles from ... Shift to one side. Let the recipient’s arm hang down. Knead upper and lower arm muscles from ...
Video: Introduction to Pre-eclampsia

For a complete list of videos, visit our video library