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
MariettaO [177]
3 years ago
15

Which of the following statements is true?

Physics
2 answers:
viva [34]3 years ago
4 0
Statement B is correct.
serg [7]3 years ago
4 0

Answer:

B.

Explanation:

Most substances found in nature, wood, soil and rocks, are mixtures of chemical compounds.

You might be interested in
Instructions:Select all the correct answers.
melomori [17]
The answer would be B: The ground exerts an equal force on the golf ball.
6 0
3 years ago
Read 2 more answers
What is the following atmospheric property associated with?
Nadya [2.5K]

Answer:

Your answer should be Cooled Air

Explanation:

6 0
3 years ago
what is an example of a environmental issue and how was it impacted by humans. please explain in detail where this issue is occu
Burka [1]
An example of an environmental issue is the acid rain in Germany. The acid rain is caused by pollution. Pollution that was caused by car putting harmful gases into the air is the main reason that there is acid rain in Germany. This is a problem because the acid rain is destroying Germany’s forests. Hope this helped!
8 0
3 years ago
30 points ᖗ☯ ͟ل͜☯ᖘ
Butoxors [25]
1. Magnetic properties of a substance depends on the structure of its valence electrons. It has something to do with orbitals so I suggest you study about molecular geometry of a compound/substance firstIt's the way a substance's atoms fit together, being pulled and pushed from all sides equally. exists in metallic bonds <span>if a substance is said to be magnetic, it is simply attracted by a magnet. if it is paramagnetic, it is repelled by a magnet.

2.</span>The magnetic field will be perpendicular to the electric field and vice versa<span> An electric field is the area which surrounds an electric charge within which it is capable of exerting a perceptible force on another electric charge. A magnetic field is the area of force surrounding a magnetic pole, or a current flowing through a conductor, in which there is a magnetic flux. A magnetic field can be produced when an electric current is passed through an electric circuit wound in a helix or solenoid. The relationship that exists between an electric field and a magnetic field is one of electromagnetic interaction as a consequence of associating elementary particles. The electrostatic force between charged particles is an example of this relationship.</span>
6 0
3 years ago
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.6 m/s . Two seconds later t
dybincka [34]

Answer:

A) t = 7.0 s    

B) x = 25 m  

C) v = 10 m/s

Explanation:

The equations for the position and velocity of an object traveling in a straight line is given by the following expressions:

x = x0 + v0 · t + 1/2 · a · t²

v = v0 + a · t

Where:

x = position at time t

x0 = initial position

v0 = initial velocity

t = time

a = acceleration

v = velocity at time t

A)When both friends meet, their position is the same:

x bicyclist = x friend

x0 + v0 · t + 1/2 · a · t² = x0 + v · t

If we place the center of the frame of reference at the point when the bicyclist starts following his friend, the initial position of the bicyclist will be 0, and the initial position of the friend will be his position after 2 s:

Position of the friend after 2 s:

x = v · t

x = 3.6 m/s · 2 s = 7.2 m

Then:

1/2 · a · t² = x0 + v · t       v0 of the bicyclist is 0 because he starts from rest.

1/2 · 2.0 m/s² · t² = 7.2 m + 3.6 m/s · t

1  m/s² · t² - 3.6 m/s · t - 7.2 m = 0

Solving the quadratic equation:

t = 5.0 s

It takes the bicyclist (5.0 s + 2.0 s) 7.0 s to catch his friend after he passes him.

B) Using the equation for the position, we can calculate the traveled distance. We can use the equation for the position of the friend, who traveled over 7.0 s.

x = v · t

x = 3.6 m/s · 7.0 s = 25 m

(we would have obtained the same result if we would have used the equation for the position of the bicyclist)

C) Using the equation of velocity:

v = a · t

v = 2.0 m/s² · 5.0 s = 10 m/s

8 0
3 years ago
Other questions:
  • Calculate the mass defect of the helium nucleus 32he. the mass of neutral 32he is given by mhe=3.016029amu. express your answer
    14·1 answer
  • The light beacon of a lighthouse is situated a distance 2.00 km from a long, straight shoreline (shortest distance to the shorel
    13·1 answer
  • Ixchelt burns her tongue when she takes a sip of hot coffee from her mug. Which part of this example represents heat?
    6·2 answers
  • Distinguish between the key features of Charles's Law and
    7·1 answer
  • What direction does the earth rotate?
    14·1 answer
  • A student drops a rock from a bridge to the water 12m below. How many seconds does it take the rock to hit the water?
    5·1 answer
  • Anyone know this lmk ASAP !!!
    6·1 answer
  • What is (Fnet3)x, the x-component of the net force exerted by these two charges on a third charge q3 = 55.0 nC placed between q1
    12·1 answer
  • A 7 kilogram cat is resting on top of a bookshelf that is 3 meters high. What is the cat’s gravitational potential energy relati
    5·1 answer
  • The velocity of an object with mass = 2kg is given as a function of time:
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!