« previous next »

Author Question: You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. Your average speed over the 12 km ... (Read 44 times)

vicky

  • Hero Member
  • *****
  • Posts: 586
on: Jul 29, 2018
You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. Your average speed over the 12 km drive will be
 
  A) greater than 70 km/h.
  B) equal to 70 km/h.
  C) less than 70 km/h.
  D) exactly 38 km/h.
  E) It cannot be determined from the information given because we must also know directions traveled.

Question 2

According to Aristotle, which of these is a natural or unforced motion?
 
  A) A book coming to rest as it slides along the floor.
  B) A stone falling straight downward.
  C) Both of the above.
  D) Neither of the above.
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Two types of front-engine, front-wheel drive. Two types of front-engine, front-wheel drive.
A typical belt-driven AIR pump. Air enters through the revolving fins behind the drive pulley. The ... A typical belt-driven AIR pump. Air enters through the revolving fins behind the drive pulley. The ...
Pressure Zones Drive Winds Pressure Zones Drive Winds
Average Years of Schooling versus GDP per Capita Average Years of Schooling versus GDP per Capita
The average percentages by polygraph exams The average percentages by polygraph exams
How gene drive alleles can spread through populations How gene drive alleles can spread through populations
Video: Brain Anatomy Animation (Part 1 of 2)

For a complete list of videos, visit our video library