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
elena-14-01-66 [18.8K]
3 years ago
7

Grinding quartz crystals down to produce sand is an example of a a. change of state. c. chemical reaction. b. chemical change. d

. physical change.
Physics
1 answer:
seraphim [82]3 years ago
5 0
D. A physical change

The makeup of it is still the same it's just ground up
You might be interested in
What happens to the frequency of a wave of you increase the speed of the wave ?
exis [7]

Nothing happens.  The frequency is determined at the source,
and it doesn't change along the way.


3 0
3 years ago
I need a short written description of Newton's three laws.
Tom [10]
Newton’s first law of motion, also called the law on inertia, states that an object continues in its state of rest or of uniform motion unless compelled to change that state by an external force.Newton’s second law of motion states that if a net force acts on an object, it will cause an acceleration of that object.Newton’s third law of motion<span> states that for every action there is an equal and opposite reaction. hope this wasnt two long!</span> 
6 0
3 years ago
A student adds two vectors of magnitudes 48 m and 22 m. What are the maximum and minimum possible values for the resultant of th
Julli [10]

Answer:

<em>Maximum=70 m</em>

<em>Minimum=26 m</em>

Explanation:

<u>Vector Addition </u>

Since vectors have magnitude and direction, adding them takes into consideration not only the magnitudes but also their respective directions. Two vectors can be totally collaborative, i.e., point to the same direction, or be totally opposite. In the first case, the magnitude of the sum is at maximum. Otherwise, it's at a minimum.

Thus, the maximum magnitude of the sum is 48+22 = 70 m and the minimum magnitude of the sum is 48-22= 26 m

4 0
3 years ago
How do I solve this problem
PilotLPTM [1.2K]

Answer:

it is light

Explanation:

the arrow that says light is on the glass it must be near from tungsten

5 0
3 years ago
A clinical psychologist is one type of pure basic research psychologist . True are false
adoni [48]

false. clinical deals with patients and treats the.

research looks at root causes which clinical applies

8 0
3 years ago
Other questions:
  • Layer of the atmosphere where jets fly through and contains ozone layer is called ________
    10·2 answers
  • Which of the following would be more likely to utilize capitalism-based land management methods?
    10·2 answers
  • The velocity of sound on a particular day outside is 331 meters/second. What is the frequency of a tone if it has a wavelength o
    12·1 answer
  • science numerical problem .Hari drag a load a of 60 kg along a distance of 12 m . what amount of work does he do? as 0 mention t
    9·1 answer
  • If a ball is thrown up at an initial speed of 40. m/s, how many seconds does it take to reach the top of its path?
    5·1 answer
  • Which sentence in the passage describes retrograde motion of a planet
    13·1 answer
  • a car travel uniformly speed of 30 km/h for 30 minutes and then at uniform speed of 60km/h for next 30min calculate the average
    13·1 answer
  • Cecelia dropped a ball from a height of 2 m. The ball fell in a straight path down to the ground.
    13·2 answers
  • What will happen to other species in the lake, like fish and mollusks and the aquatic plant life?
    11·2 answers
  • A surveyor measures the distance across a straight river by the following method: Starting directly across from a tree on the op
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!