1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Kryger [21]
3 years ago
14

PLEASE HELP I WILL GOVE BRAINLIEST TO FIRST CORRECT ANSWER!!!!!

Physics
1 answer:
Dmitrij [34]3 years ago
8 0
Answer is C is the correct answer
You might be interested in
A fan cart initially has an acceleration of 1.6m/s/s when it's fan is directed straight backwards. If you rotate the fan by 45°,
Sholpan [36]

Answer:

A Fan Cart Initially Has An Acceleration Of 1.6m/s/s When It's Fan Is Directed Straight Backwards. If You Rotate The Fan By 45o, By What Percentage Do You Expect The Fan Cart's Thrust To Decrease? (Answer Should Be In Units Of 96)

a. 45%

b. 29%

c. 71%

d. 50%

The correct answer is d.

d. 50%

Explanation:

Fan cart acceleration = 1.6 m/s²

Thrust = 0.25×π×D²×ρ×v×Δv

where Δv = acceleration component and all factors remaining cconstant, when the fan is rotated by 45 ° the diameter changes to D₂ = sin 45 ×D

or 0.707×D. The thrust becomes 0.25×π×(0.707×D)²×ρ×v×Δv

=0.25×π×0.5×D²×ρ×v×Δv or 0.5(0.25×π×D²×ρ×v×Δv)

That is the thrust reduces by 50 %

3 0
3 years ago
Write any three reasons to separate the mixtures?​
dmitriy555 [2]

Answer:

people separate mixtures in order to ger a specific substance that they need. 2. the other thing people separate mixtures to remove the unrequired components. 3.To get a pure substance

Explanation:

hope this helps probably don't because you asked this a week ago but have a good day :) ❤

5 0
3 years ago
Which statement is true about a pseudoscientific idea? A It is biased in its results. b It can be tested and observed. c It can
jeka94

Answer:

It can be replicated and verified.

(c) is correct option.

Explanation:

Given that,

The following statements about a pseudoscientific idea.

(a). It is biased in its results.

(b). It can be tested and observed.

(c). It can be replicated and verified.

(d). It is improved with new information.

We know that,

Pseudo science :

In a pseudoscience, such as statements, trusts and facts about whom it is said these are scientific and logical but these statements is anomalous through the scientific method.

So, we can say that the statement is true about a pseudoscientific idea that is It can be replicated and verified

Hence, It can be replicated and verified.

(c) is correct option.

5 0
3 years ago
summarize the physical reasons that sound waves travel at different speeds through different mediums ​
laila [671]

Answer: you cant see sound waves but youcan defiently hear them . when the travle through difrent levels they depend on how loud the sound wave is if you hear a loud sound its called a loud sound wave

Explanation:

5 0
3 years ago
A current runs from the left to the right in a long, straight wire. How does the magnetic field at point X compare with the magn
vitfil [10]
I think the answer is <span>D. The magnetic field at point X points into the page, and the magnetic field at point Y points out of the page.</span>
7 0
3 years ago
Other questions:
  • At what speed does a falling hailstone travel? Does the speed depend on the distance that the hailstone falls?
    15·1 answer
  • A 1500-kg car drives at 30 m/s around a flat circular track 300 m in diameter. What are the magnitude and direction of the net f
    6·1 answer
  • How much work must be done on a 10-kg bicycle to increase its speed from 5
    13·1 answer
  • Which image shows the correct way of lining up vectors to add them together?​
    13·1 answer
  • You are driving home from school steadily at 95 km/h fro 130 km. It begins to rainand you slow to 65 km/h. You arrive home after
    7·1 answer
  • 25 points and i will give brainliest +5 star rating to a correct a correct answer!!!!
    14·1 answer
  • Is telekinesis real??? I really wanna start learning it!
    11·1 answer
  • Pls help me 10 points
    7·2 answers
  • What is the range of motion of the elbow if extension is 0° and flexion is 145°?
    12·1 answer
  • How are electrical energy, thermal energy, and mechanical energy related?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!