« previous next »

Author Question: A 1200-kg car moving at 15.6 m/s suddenly collides with a stationary car of mass 1500kg. If the two ... (Read 141 times)

kshipps

  • Hero Member
  • *****
  • Posts: 571
on: Jul 29, 2018
A 1200-kg car moving at 15.6 m/s suddenly collides with a stationary car of mass 1500kg. If the two vehicles lock together, what is their combined velocity immediately after the collision?
 
  A) 12.1 m/s
  B) 8.6 m/s
  C) 6.9 m/s
  D) 5.5 m/s

Question 2

If the headlights on a car are separated by 1.3 m, how far down the road can they be resolved if the angular resolution of the eye is 5.0  10-4 rad and the person has excellent vision?
 
  A) 1.3 km
  B) 5.0 km
  C) 4.8 km
  D) 0.65 km
  E) 2.6 km


LegendaryAnswers

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

kshipps

  • Hero Member
  • *****
  • Posts: 571
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


LegendaryAnswers

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Erythrocytes (red blood cells) moving through a capillary in single file. Erythrocytes (red blood cells) moving through a capillary in single file.
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Apply effleurage to both sides of the upper trapezius using loose fists. When moving laterally, ... Apply effleurage to both sides of the upper trapezius using loose fists. When moving laterally, ...
Mass spectrometry of a synthetic version of collagen peptide Mass spectrometry of a synthetic version of collagen peptide
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ... Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library