What is speed of a particle?

Answers

Answer 1
Answer: The speed of a particle is the instantaneous rate at which its distance of travel
is changing.

Over any finite period of time, its speed is:

               (distance traveled) / (time to travel the distance).

The direction of travel is irrelevant to a description of speed.
Answer 2
Answer: SPEED = total DIST. traveled / total time taken

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A kite is inscribed in a square with a side length of 9 units.What is the area of the kite?

27.5 square units
36.0 square units
40.5 square units
45.0 square units

Answers

The area of the kite that is inscribed in a square is 40.5 square units.

How do you calculate the area?

Given that the side length of the square in which the kite is inscribed is units. The area of a kite is calculated as given below.

A = \frac {1}{2}* d_1* d_2

Where d1 and d2 are diagonals of the kite that are equivalent to the length of the square. Hence the area can be given as below.

A = \frac {1}{2}* 9* 9

A = 40.5

Hence we can conclude that the area of the kite is 40.5 square units.

To know more about the area, follow the link given below.

brainly.com/question/16151549.

Hey there!

The area of a kite is A = (d1d2) / 2, where d1 and d2 are the diagonals of the kite.
Since the kite is inscribed in the square, and the sides of the square are 9 units, the diagonals of the kite are both 9 units.
d1 = 9 units
d2 = 9 units

A = (9units * 9units) / 2
A = 81units² / 2
A = 40.5 units
²

Please comment with any questions!

If a small machine does 2,500 joules of work on an object to move it a distance of 100 meters in 10 seconds,what is the force needed to do the work? What is the power of the machine doing the work?

Answers

The force needed to do the work is equal to 25 N. The power of the machine doing the work is equal to 250 W.

What is power?

The power can be explained as the speed of doing work or work done in unit time. The SI unit of measurement of power joules per second (J/s) Watt (W).

Power can be defined as a time-based parameter and the change at work is done upon an object. The mathematical formula for power can be represented as mentioned below.

Power = Work/ time

P = W/t

Given, the work done by the machine, W = 2500 J

The distance moved by the object, d - 100 m

The work done can be represented in the form of the equation:
W = F.d

2500 = F.100

F = 25 N

The power of the machine doing the work, P = W/t

P =  2500 / 10

P = 250 W

Therefore, the force required to do the work is equal to 25 N. The power of the small machine doing the work is equal to 250 W.

Learn more about power, here:

brainly.com/question/14070854

#SPJ2

Well, 2500 joules for 100 meters is 2500/100=25 Newtons (force)
2500 joules in 10 seconds is a power of 250 Watts.

Diffusion is the net movement of particles from a region of higher concentration to a region of low concentration, due to their kinetic energy, down a concentration gradient. A)True B)False

Answers

Answer:

False

Explanation:

NOT due to their kinetic energy

_____ kilometers per second is the approximate speed of light.a. 300
b. 3,000
c. 30,000
d. 300,000

Answers

300,000 kilometers per second is the approximate speed of light.

C12H22O11 + 11H2SO4 12C + 11H2SO4 + 11H2OHow do you know the concentrated sulfuric acid is a catalyst?

Answers

By looking at the equation 
C12H22O11 + 11H2SO4 12C + 11H2SO4 + 11H2O
we can conclude that the concentrated sulfuric acid is a catalyst because
the sulfuric acid doesn't react with the reactant and it is not consumed.

Hope this helps! If you have any other questions or would like further explanation just let me know!! :)

Answer:no

Explanation:

Whose touch turned all to gold, Aurum or Midas? a) Aurum b) Midas c) Both d) Neither

Answers

Answer:Midas

Explanation: As midas was a king who was blessed by dionysis the god of wine and festival , and since in returns for caring for a satyr he found in his backyard who was a follower of dionysis the go blessed him with the gold touch. thus answer is midas