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MAXImum [283]
2 years ago
9

ID like to say thx everyone who is on brainly u guys helped me get through my quiz so thx

Physics
2 answers:
VARVARA [1.3K]2 years ago
8 0

Answer:

I want to know how your experience has been on brainly. I hope it is good. I really like spending time helping others here. If you have any other questions please ask me :)

Explanation:

Gnesinka [82]2 years ago
5 0

Answer:

u welcome

Explanation:

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Which of the following is the best example of Newton's second law? A. A rolling ball comes to a stop because the forces of frict
fgiga [73]

Answer:

B. the acceleration of a skydiver depends upon the force of gravity and wind resistance

Explanation:

Newtons second law of motion states that: the force (F) acting upon an object is directly proportional to the mass (M) of the object and the acceleration (a).

Basically this law states that the acceleration of a body is dependent on the force and mass of the body. If the force exerted on the body changes the acceleration will also change. and if the mass of the body changes, the acceleration will also be affected

from the options, the only option that refers to acceleration is option B

6 0
3 years ago
Astronomers estimate that a galaxy contains a. 100 stars. c. millions or billions of stars. b. 1 star. d. 100,000 stars.
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C.

Galaxies are very big, with millions or billions of stars in them.

Hope this helps!
3 0
3 years ago
A) Julie is running to the right at 5 m/s, as shown in the 1st figure. Balls 1 and 2 are thrown toward her at 10 m/s by friends
Svetach [21]

Part 1)

here Julie is running at speed 5 m/s

So here two balls are thrown at speed 10 m/s towards Julie with respect to her friend standing on the ground.

So here this all speed is real speed of all.

Now as per Anita (let say she is one of her friend standing on ground) the speed of two balls will be same as the given speed as she is observing from ground or stationary frame

As per the frame of Julie

speed of ball 1

v_{1j} = v_1 - v_j

v_{1j} = 10 - 5 = 5 m/s towards her in same side

speed of ball 2

v_{2j} = v_2 - v_j

v_{2j} = -10 - 5 = -15 m/s towards her from opposite side

Part b)

Now in this case the speed of two balls is given with respect to Julie

so we can say

for ball 1

v_{1j} = v_1 - v_j

10 = v_1 - 5

so in ground frame speed of ball 1 is

v_1 = 15 m/s

Similarly for ball 2

v_{2j} = v_2 - v_j

-10 = v_2 - 5

So speed in ground frame of ball 2 is

v_2 = - 5 m/s

so its 5 m/s from opposite side

6 0
3 years ago
Isabela is an astronomer studying stars A and B. Star A is farther away from Isabela and yet when Isabela observes the stars, th
kakasveta [241]

Answer: star A is more luminous

Explanation:

7 0
3 years ago
The single-pole, single-throw switch is normally wired ? between the source and the load to turn devices on and off.
zzz [600]

In series.

Single-pole and single-throw switch:

A switch with only one input and one output is referred to as a Single Pole Single Throw (SPST) switch. This indicates that it has a single output terminal and a single input terminal.

A single pole, one throw switch functions as an on/off switch in circuits. The circuit is turned on when the switch is closed. The circuit is shut off when the switch is open.

Thus, SPST switches are relatively basic in design.

Circuit for a single-pole, single-throw (SPST) switch

Types:

According to the application, it can be divided into three categories, including:

  • Simple SPST
  • (ON)-OFF, Push-to-close, SPST Momentary
  • ON-(OFF), Push-to-Open, SPST Momentary
  • Inches Switch SPST

Learn more about terminal here:

brainly.com/question/14236970

#SPJ4

7 0
2 years ago
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