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

Author Question: If you run a complete loop around an outdoor track (400 m) in 100 s, your average velocity is A) ... (Read 40 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
on: Jul 27, 2018
If you run a complete loop around an outdoor track (400 m) in 100 s, your average velocity is
 
  A) 0.25 m/s.
  B) 4.0 m/s.
  C) 40,000 m/s.
  D) zero.
  E) 4.00 km/s.

Question 2

Dust and smoke blown up into the Earth's atmosphere from the massive impact of an asteroid 65 million years ago
 
  A) removed most of the oxygen in the Earth's atmosphere by oxidation
  B) rapidly escaped into space, having very little effect on the Earth's climate
  C) blocked sunlight, causing global temperatures to fall on the Earth and subsequently shutting down photosynthesis for up to a year
  D) trapped heat in the Earth's atmosphere, causing global temperatures to rise


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


crobinson2013

  • Member
  • Posts: 535
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

raenoj

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major
Testing an oxygen sensor using a DMM set on DC volts. With the engine operating in closed loop, ... Testing an oxygen sensor using a DMM set on DC volts. With the engine operating in closed loop, ...
Meiosis involves two complete divisional operations forming four potential sex cells. Meiosis involves two complete divisional operations forming four potential sex cells.
Average Annual Growth Rates of Population by Country Group Average Annual Growth Rates of Population by Country Group
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
An unpaired loop at synapsis An unpaired loop at synapsis
Video: Anaphylaxis Animation

For a complete list of videos, visit our video library