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Natasha2012 [34]
4 years ago
7

WHAT IS A VARIABLE?

Physics
2 answers:
Romashka-Z-Leto [24]4 years ago
8 0

Answer  A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variable:

Explanation:

A variable is any characteristics, number, or quantity that can be measured or counted. A variable may also be called a data item. Age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour and vehicle type are examples of variables

Rainbow [258]4 years ago
4 0

Answer:

The Answer is the first one " A quantity that can have more than a single value!

Explanation:

Hope this helps!

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Which statement BEST compares the force of gravity on a school bus on a school day and a weekend? *
inna [77]

Answer:

(A) The force would be lower on the school day than the weekend.

Explanation:

In  a  school  day  the  bus  is  on  the  road  travelling  with  kids.  But  in  a  weekend  it  is  parked.  When  a  object  stays  still  that  means  the the  force  which  is  working  on  the  earth  by  the  bus  is  equal  to  the  force which  works  on  the  bus  by  the  earth. we  can  understand  it  clearly by,  Newton's second law of motion.  

This pertains to the behavior of objects for which all existing forces are not balanced. The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object.  so  as  it  is  when  it  is  balanced  it  is  not  moving.

And  on  a  school  day  the  bus  is  moving  so  it  has  a  force  pulling  itself  forward .  so  it  means  that  the  force  which  the  bus  has  is  greater  than  the  gravitational  force.

7 0
3 years ago
Saturn has a radius of about 9.0 earth radii, and a mass 95 times the Earth’s mass. Estimate the gravitational field on the surf
olchik [2.2K]

Answer:The gravitational field on Saturn can be calculated by the following formula;

Explanation:

6 0
4 years ago
A frog leaping upward off his lily pad instead of continuing on in a straight line . Which law is it ?
Romashka [77]

Answer:

I think it's Law of Motion.

Explanation:

Hope my answer has helped you!

7 0
3 years ago
Read 2 more answers
A mechanic jacks up the front of a car to an angle of 8.0° with the horizontal in order to change the front tires. the car is 3.
Zina [86]
<span>First draw a free-body diagram. Torque T = Force F x Distance d where force is the component of gravitational force g and d is the lever arm distance to the pivot point. Since the pivot point is at the back tire we subtract that from the length of the car resulting in d = 1.12 - 0.40 = 0.72 meters = d. We are interested in the perpendicular component of the force exerted on the car jack so use sin 8 degrees then T=1130 kg x 9.81 m/s^2 x sin(8 degrees) x0.72 m = 1,110.80 Newton-meters</span>
5 0
4 years ago
Un copil care merge pe jos pe calea ferata vede trecand, in decursul unui anumit interval de timp, prin dreptul sau un tren. Ace
krok68 [10]

sorry I dont speak Spanish

3 0
3 years ago
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