PHYSICS HIGH SCHOOL

Calculate the equivalent resultant force for the following loading system and determinethe location of the resultant force intersects the member BC from point C.StDOID175 lbA) 416 lb, 0.1 ftB) 416 lb, 10.9 ftC) 325 lb, 2.29 ftD) 260 lb. 8.71 ftNeo​

Answers

Answer 1
Answer: Okay so first u will multiply then divide then add all

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A scientific model is based on assumptions that limit where and how the model can be applied. True False​

Answers

Answer:

i think it is true

Explanation:

Which of the following universal forces is the weakest? A. electric
B. gravitational
C. strong nuclear

Answers

The universal force that is the weakest is gravitational. The correct answer is B. 

Unit 1 lesson 8

1.B) gravitational

2.A) centripetal force

3.C) gravitational force

4. Inertia

5. Force, mass

6. Bowling

100%!!

Eric is walking forwards at 0.5 m/s and then hears a blackbear charging from behind. He continues to move forward
and increases his speed to 10 m/s within 3 seconds. What was
Eric's acceleration?
0 3.2 m/s
O 3.2 m/s^2
0 -3.2 m/s^2
O 10 m/s^2
O Other:​

Answers

Answer:

3.2 m/s^2

Explanation:

current velocity minus intitial velocity, divided by time: a=(v2-v1)/t

PLEASE HELP 25 POINTS!!!! Multiply the following numbers and round your answer to the correct number of significant figures: 72,000 x 45

Show both the unrounded and rounded answer.

Answers

Answer:

3,240,000

Explanation:

72,000 times 45= 3,240,000

There is no rounded number unless u are dividing.
Answer:3240000
There is no rounding (dividing)

How does a scrap heap magnet work? (In detail)

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is nothing but a heavy electromagnet. On a soft iron core (because, there should not be any retentivity) thick insulated copper wire is wound. As the magnetic power of an electromagnet is depending upon the current, number of turns in the coil, the copper wire should be able to withstand heavy current and more number of turns will create very strong magnetic field. When the current passes it will become a very strong magnet and will attract all the magnetic materials in the scrap. When there is no current the core gets dememagnetised and all the magnetic materials will be falling down from it . This arrangement is fitted at the tip of the cable of a crane and the operating switch will be near the operators cabin. The crane will be brought near the scrap, and the operator switch the magnet on and all the scrap will be attracted by the magnet. Then the crane will be turned to another place the operator switches the magnet off. All the scraps will be falling down. 
Instead of a soft iron core ( less retentivity) anyother material with high retentivity is used even after switching it off the scrap will not bec falling down.

Kepler found that the orbits of the planets were _____. circular amorphous oval elliptical

Answers

Answer:

elliptical

Explanation:

Nicolaus Copernicus gave the heliocentric theory that sun is at the center if the solar system and all the planets and the moons revolved wound it. according to him, the planets revolved around the sun in circular paths.

But Kepler suggested a different shape of the orbit. According to the laws o planetary motion given by Kepler, the planets revolve around the sun in an elliptical orbit. The sun is at one of its focus.

Kepler found that the orbits of the planets were elliptical. 
His work was so convincing that to this day, they still are.
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