PHYSICS HIGH SCHOOL

A rectangle has a length of 5.50 m and a width of 12.0 m. What are the perimeter and area of this rectangle?

Answers

Answer 1
Answer: to find the perimeter of the rectangle, you do 2(a) + 2(b), so when you add 11 and 24, you get a perimeter of 35 meters.

to find the area, you multiply a and b together and get an area of 66 meters squared.

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Which one of the following accurately describes the force of gravity

Answers

The force of gravity, also called gravitational force, is the force exerted by the gravity of one object to another object near it. This is dependent on factors like mass of the two objects measured between their centers. 

A galaxy whose stars are arranged in a disk with arms that surround a central bulge is a _____ galaxy.

Answers

Spiral Galaxy is the answer

Does gravity exist between a pencil on a coffee mug

Answers

Answer:

Yes it does

Explanation:

Gravity is pushing down on the pencil but the coffee mug is also pushing the pencil up with the same amount of force so they both don't move

Which statement comparing examples of renewable and nonrenewable resources is true? A. Wind is a renewable resource because it can't be used up, but coal is a nonrenewable resource because it will eventually run out.

B. Wind is a nonrenewable resource because it can't be used up, but coal is a renewable resource because it will eventually run out.

C. Both wind and coal are renewable resources because they will never run out.

D. Both wind and coal are nonrenewable resources because they will eventually run out.

Answers

i believe the answer is A
A.Wind is a renewable resource because it can't be used up, but coal is a nonrenewable resource because it will eventually run out.  People use prepellers to renew wind. also, wind can never " go away,or run out ."

Hope this helps.... Stay in contact with brainly, Bye! :)

What is the velocity of an upward moving 500kg elevator that has 4000 of energy

Answers

Answer:

4 m/s

Step-by-Step Explanation:

E = mgh and h = E/mg

So if you put your numbers in the formula : h = 4000J/500 * 10

you will get h = 4/5 meters

use this , If the elevator moves from top to the ground in a constasnt acceleration you will have all energy (4000 J) transformed into acceleration to speed up its motion.

(All potential energy will be turned into movement energy). As explained in this formula;

mgh = mv²/2 , solve out (v) from the equation

v = √2gh = √2·10·4/5 (digits are together- not related to the problem, just for clarification) = 4 m/s

Answer the velocity of the elevator is

4 m/s

Before you meet with a sexual assault victim, you run through the advocacy steps in your mind. What is the second step of advocacy?

Answers

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