Juan lives 100m away from bill whats juan`s average speed if he reaches bill home in 50 s

Answers

Answer 1
Answer: Distance = Speed x Time, we are going to derived our equation.
 You can compute for the average speed using the equation: speed = distance ÷ time.
 So plugging in our data, it will look like:
 Speed = distance / time
 = 100 m / 50 s
 = 2 m/sec
 Juan average speed is 2 m / sec.
Answer 2
Answer:

Answer:

2m/sec

Explanation:

that is how long it would take him.


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In a grassland ecosystem, if the pollution of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem.A. The ecosystem will become overpopulated with snakes.
  
  B. There will be a decrease in the population of snakes in the ecosystem.
  
  C. The nutrition of the soil in the ecosystem will decrease.
  
  D. More type of plants will begin growing in the ecosystem.

Answers

A, because if there are less Eagles in a ecosystem, then there would be more snakes because they wouldn't be eaten. 

Does a force cause motion or a change in motion

Answers

it changes the motion as Newton's second law of motion states that a force, acting on an object, will change its velocity by changing either its speed or its direction or both. If your basketball goes rolling into the street and is hit by a bike, either the ball will change direction or its speed or both.

What do the atoms of elements in the same group have in common? A. They have the same atomic numbers. B. They have the same average atomic masses. C. They have the same number of electron shells. D. They have the same number of electrons in their outermost shells.

Answers

Answer : The correct option is, (D) They have the same number of electrons in their outermost shells.

Explanation :

Periods : A row in the periodic table is known as periods.

The common features about the elements of a period are :

Each periods has elements with the same number of electron shells or energy levels or shell.

They transition from metal to noble gas that means they move from metal to non-metal and then non-metal to noble gas.

Groups : A column in the periodic table is known as groups.

The common features about the atoms of elements in a same group are :

Each groups has elements with the same number of valance electrons or have same of electrons in their outermost shells.

The elements in the same group have similar chemical properties.

The elements in the same group have similar physical properties.

Hence, the correct option is, (D) They have the same number of electrons in their outermost shells.

I think it's D . They have the same number of electrons in their outermost shells

Contrast situations where work is done with different amounts of force to situations where no work is done such as standing still???

Answers

Picking up a sheet of paper . . . work done with small force
Picking up a glass of water . . . work done with moderate force
Picking up a huge boulder . . . work done with a great tremendous force
=================================
Standing still . . .
Holding your tongue out as far as it will go . . .
Holding your arm over your head for 3 days . . .
Holding a huge boulder motionless over your head . . .
Pushing on a brick wall . . .
Pushing as hard as you can against a truck with the wheels locked . . .
. . . . . No work done at all, because the force doesn't move through a distance.

Work done = (force) times (distance)

If the force doesn't move, then the distance is zero, and the work done is zero.

PLEASE HELP: A particle contains 25 protons and 23 electrons. What type of electric charge does the particle have?

Answers

Answer:In physics, a charged particle is a particle with an electric charge. It may be an ion, such as a molecule or atom with a surplus or deficit of electrons relative to protons. It can also be an electron or a proton, or another elementary particle, which are all believed to have the same charge (except antimatter).

Explanation:

Answer:

uiiuililiu

Explanation:

Omg, give me some advice about phizics i have to study it

Answers

I would give some if I at least had phisics...
Try to develop the highest amount of questios you can, and watch videos about it on youtube, this should help