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

Author Question: A solid uniform disk is rolling without slipping along a horizontal surface with a speed of 4.5 m/s ... (Read 77 times)

newyorker26

  • Hero Member
  • *****
  • Posts: 536
on: Jul 29, 2018
A solid uniform disk is rolling without slipping along a horizontal surface with a speed of 4.5 m/s when it starts up a ramp that makes an angle of 25 with the horizontal.
 
  What is the speed of the disk after it has rolled 3.0 m up as measured along the surface of the ramp?
  A) 4.0 m/s
  B) 1.9 m/s
  C) 2.1 m/s
  D) 6.8 m/s
  E) 8.0 m/s

Question 2

Human reaction time is usually greater than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can you expect the ruler to fall before you catch it, assuming negligible air resistance?
 
  A) at least 3.0 cm
  B) at least 4.9 cm
  C) at least 6.8 cm
  D) at least 9.8 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jointhecircus

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

B


newyorker26

  • Member
  • Posts: 536
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

amcvicar

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Parts of the Hand Used in Palpation; Palmar Surface Parts of the Hand Used in Palpation; Palmar Surface
Parts of the Hand Used in Palpation; Ulnar Surface Parts of the Hand Used in Palpation; Ulnar Surface
Taste receptors, taste buds, and papillae on the surface of the tongue. Two sizes of papillae are ... Taste receptors, taste buds, and papillae on the surface of the tongue. Two sizes of papillae are ...
Horizontal stroking across the lower back. Horizontal stroking across the lower back.
Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of ... Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of ...
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library