PHYSICS MIDDLE SCHOOL

Since the moon has less mass then the earth what happens to objects on the moon A.They fall slower
B.they fall faster
C.they don’t fall
D.They fall at the same rate as they do on earth

Answers

Answer 1
Answer:

A) They move slower


Gravity force is determined by mass and the size of the moon. Since the mass of the moon is significantly lower than the mass of Earth, it will pull objects slower. The only object that would fall faster on the moon than on earth is a sheet of paper since there is much, much less air resistance to affect its terminal velocity the way it does on the earth.

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Q2. In a 4x100 mrelay race, total track length is 200m and time taken by one particular group is 50.2 s. What is
the average speed and average velocity of that group?

Answers

A " 4 x 100 m " race means that four runners each run 100 meters, for
a total of 400 meters ... very close to a quarter mile.

On a 200-meter track, each runner does halfway around the track, and
the whole team of four runners does twice around the track. 

This team did the whole thing in 50.2 seconds. The average time for each runner
was 50.2/4 = 12.55 seconds.
The average speed of each runner was (400 meters)/(50.2 seconds) = 7.968 m/s .

Velocity is a speed and a direction.  We have the speed, leaving only the puzzle of
what to do about the 'average' direction.

Here's a sneaky but easy way to dispense with the whole issue:
Define the average velocity (vector) as  (total displacement vector)/(total time).

Since the fourth runner finished in exactly the same spot as the first runner
began, the total displacement is zero, and therefore so is the average velocity.

In a periodic table, dots around an elements symbol indicate the number of valence electrons in an atom ? True Or False

Answers

That is absolutely true!

The dots are electrons that are in the orbitals.
I would probally say  true? I am not positive

Inertie is the resistance to change in motion so inertia depends solely on what?

Answers

Inertie is the resistance to change in motion so inertia depends solely
on the mass of the object being coaxed to change its motion.

Where are most faults located? And what is a fault in science terms?

Answers

You can almost ALWAYS find a fault at the edge of a boundary or between the earths' surface and the fault plane. A fault in scientific terms is basically just a crack in the earth's surface that has movement among the fault.

HELP PLEASE Example: Convert 25°C to °F.

Formula: °F = (9/5) (°C) + 32  °C is given so I am solving for °F.
°F = (9/5) (25) + 32
=(1.8*25)+ 32
=45+32
=77
Answer= 77°F is equal to 25°C


A. Convert 35°C to °F




B. Convert 80°F to °C




C. Convert 15°C to °F




D. Convert 25°F to °C

Answers

Angel !  You have a formula, and you have an example that's
completely worked out.  The ONLY POSSIBLE reason that you
could still need help is that you're letting math scare you.

I'll do 'A' for you, 'B' most of the way, and get 'C' set up.
If THAT's not enough for you to run with and finish them all,
then you and I should both be embarrassed.

Write the formula on the wall:

                                   °F  =  (9/5) °C  +  32°

A).  Convert 35° C        °F  =  (9/5)(35°) + 32°

(9/5)(35) = 63              °F  =      63°      + 32°

                                     °F  =  95°
____________________________________

B).  Convert 80°F to °C 
                         The formula:    °F  =  (9/5) °C  +  32°

°F = 80                                     80  =  (9/5)°C  +  32

Subtract 32 from each side:      48 = (9/5)°C

Multiply each side by  5 :        240  =  (9) C

Now you take over:
_________________________________________

C).  Convert 15°C to °F.
                         The formula:    °F  =  (9/5) °C  +  32°

°C = 15                                      °F = (9/5) 15° + 32

(9/5) (15) = 27     
                             Go !              °F  = 

What is the difference between applied force and normal force

Answers

If a person is pushing a desk across the room, then there is an applied force acting upon the object. The applied force is the force exerted on the desk by the person. The normal force is the support force exerted upon an object that is in contact with another stable object.


hope it helps
If someone is pushing a desk across the room then there is an applied force upon acting upon an object
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