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Citrus2011 [14]
3 years ago
5

A force of 350 N causes a body to move with an acceleration of 10 m/s2. What's the mass of the body?

Physics
1 answer:
Dafna1 [17]3 years ago
7 0

Answer:

35 kg

Explanation: Newton's Second Law of Motion reinterpreted as M=\frac{f}{a} or M=\frac{350}{35}

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Susie walks 3 blocks north to the local CVS store, then 4 blocks east to her grandmother’s house. She then walks 2 blocks west a
Slav-nsk [51]

Answer:

Suzie is 3 blocks north of where she started

Explanation:

Displacement is the minimum distance between the initial and final point of motion.

Here, Suzie first walks 3 blocks north. From there she walks 4 blocks east. Then 2 blocks to the east then 2 blocks north and then 2 blocks east. She covered 4 blocks east toward west. This is the same distance she covered traveling east. But she is 2 blocks north. From there she traveled a block south to the pizzeria and another block to her friends house. She covered the two block she had traveled north.

Hence, Suzie is 3 blocks north of where she started.

7 0
3 years ago
An antiproton is identical to a proton except it has the opposite charge, −e. To study antiprotons, they must be confined in a
Zigmanuir [339]

Answer:

Explanation:

We know that, the force responsible for circulating in circular path is the centripetal force given by the force on charged particle due to magnetic field.

Here the charge is antiproton is

p = -1.6 * 10⁻¹⁹C

the speed of proton is given by 1.5 * 10 ⁴ m/s

the magnetic field is B = 4.5 * 10⁻³T

we have force due to magnetic field is equal to centripetal force

Bqv = mv² / r

Bq = mv / r

r = \frac{mv}{Bq} \\\\r=\frac{mv}{Bq} \\\\r=\frac{1.67 \times 10^-^2^7\times 1.5 \times 10^4}{4.5 \times 10^-^3\times 11.6\times 10^-^1^9} \\\\r=347.9\times 10^-^4\\\\r=3.479cm

The diameter d of the vacuum chamber have to allow these antiprotons to circulate without touching the walls is

d = 2r

d = 2 * 3.479

d = 6.958

d ≅ 7cm

7 0
3 years ago
The average intensity of light emerging from a polarizing sheet is 0.775 W/m2, and that of the horizontally polarized light inci
rewona [7]

Answer:

the transmission axis of polarizing sheet makes an angle of \Theta =26.74^{\circ} with the horizontal        

Explanation:

We have given that intensity of light incident on the sheet I_0=0.970W/m^2

Average intensity of light emerging from a polarizing sheet I=0.775W/m^2

We have to find the angle between transmission axis with the horizontal

Intensity of light polarizing from sheet is equal to I=I_0cos^2\Theta

So 0.775=0.970cos^2\Theta

cos^2\Theta =0.798

cos\Theta =0.893

\Theta =26.74^{\circ}

So the transmission axis of polarizing sheet makes an angle of \Theta =26.74^{\circ} with the horizontal

5 0
3 years ago
A book that weighs 20 N sits on a table. How big and in what direction does the force of gravity from the Earth act on the book?
taurus [48]

Answer:

A. 20 N down

Explanation:

It's asking how much force of gravity is acting on it. The book weighs 20 Newtons so that's how much gravity is being applied. Hope this helps

7 0
3 years ago
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•How do glaciers shape Earth’s surface? HELP QUICK ANSWE FOR 11 POINTS
ryzh [129]

Answer:

in different flow rate

Explanation:

it's bit messy

3 0
3 years ago
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