« previous next »

Author Question: A car was moving 110. km/hour. (a) How long did it take to go 25.5 miles? (b) If it stopped in ... (Read 24 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
on: Jul 27, 2018
A car was moving 110. km/hour.
 
  (a) How long did it take to go 25.5 miles?
  (b) If it stopped in 35. s, what was its average acceleration (m/s2 ) as it slowed down?

Question 2

The Earth owes its habitability primarily to
 
  A) the chemical composition of its surface
  B) a combination of its size and its distance from the Sun
  C) its size only
  D) its distance from the Sun only


billybob123

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 22.4 min
(b) -0.87 m/s2

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Pupil assessment; B, moving penlight directly in front of pupil. Pupil assessment; B, moving penlight directly in front of pupil.
Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The
Apply circular fingertip friction on back, moving along spinal muscles from hip to shoulder and over ... Apply circular fingertip friction on back, moving along spinal muscles from hip to shoulder and over ...
Ayurvedic massage. Long sweeping stroke from foot around shoulder and down the arm, recipient prone. Ayurvedic massage. Long sweeping stroke from foot around shoulder and down the arm, recipient prone.
If a meteor (148 kg) is moving with a velocity of 112 m/s , and breaks into two parts, where ... If a meteor (148 kg) is moving with a velocity of 112 m/s , and breaks into two parts, where ...
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library