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

Author Question: If a car accelerates at a uniform 4.0 m/s2, how long will it take to reach a speed of 80 km/hr, ... (Read 53 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
on: Jul 29, 2018
If a car accelerates at a uniform 4.0 m/s2, how long will it take to reach a speed of 80 km/hr, starting from rest?
 
  What will be an ideal response?

Question 2

Water, of density 1000 kg/m3, is flowing in a drainage channel of rectangular cross-section. The width of the channel is 15 m, the depth of the water is 8.0 m and the speed of the flow is 2.5 m/s. At what rate is water flowing in this channel?
 
  A) 2.0  105 kg/s
  B) 2.0  103 kg/s
  C) 3.0  105 kg/s
  D) 3.0  103 kg/s
  E) 3.0  102 kg/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrtceo

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 29, 2018
Answer to Question 1

5.6 s

Answer to Question 2

C


CQXA

  • Member
  • Posts: 546
Reply 2 on: Jul 29, 2018
Wow, this really help

adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Blue whale skeleton, outside the Long Marine Laboratory at the University of California, Santa Cruz Blue whale skeleton, outside the Long Marine Laboratory at the University of California, Santa Cruz
Gross Anatomy of a Long Bone Gross Anatomy of a Long Bone
Associative Long-Term Potentiation Associative Long-Term Potentiation
Long stroke used in lymphatic facilitation. Long stroke used in lymphatic facilitation.
Composition of a long bone Composition of a long bone
Types of Long-Term Memories Types of Long-Term Memories
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library