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MrRissso [65]
3 years ago
8

Why wheat flour is usually passed near magnet near a magnet before being packed

Physics
1 answer:
Alexandra [31]3 years ago
6 0
To make sure there is no metal stuck in the wheat that could harm people
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To study the properties of various particles, you can accelerate the particles with electric fields. A positron is a particle wi
abruzzese [7]

Answer:

(a) 5.73 * 10¹³ m/s²

(b) 4.99 * 10⁵ m/s

Explanation:

(a) We know that Electrical force is the product of electric charge and electric field:

F = qE

We also know that Force is the product of mass and acceleration:

F = ma

Therefore, equating both of them:

ma = qE

Acceleration, a, will be:

a = (qE) / m

Electric charge of a positron = 1.602 * 10^(-19) C

Mass of a positron = 9.11 * 10^(-31) kg

Acceleration will be:

a = (1.602 * 10^(-19)) * 9.11 * 10^(-31)) / 326

a = 5.73 * 10¹³ m/s²

(b) Acceleration is the time rate of change of velocity. It is given as:

a = v/t

Velocity, v, will then be:

v = a * t

Time, t = 8.7 * 10^(-9) s

Therefore, velocity will be:

v = 5.73 * 10^(13) * 8.7 * 10^(-9)

v = 49.85 * 10⁴ m/s = 4.99 * 10⁵ m/s

7 0
3 years ago
An RLC circuit has a resistance of 200 Ω and an inductance of 15 mH. Its oscillation frequency is 7000 Hz. At time t = 0, the cu
MArishka [77]

Answer: 2.13 × 10^-4 A

Explanation:

Given that the RLC circuit has a resistance R = 200 Ω and an inductance L = 15 mH.

Its oscillation frequency F = 7000 Hz

The initial current I = 25 mA = 25/1000 or 25 × 10^-3 A

Since there is no charge on the capacitor, the current after complete 5 circle will be achieved by using the formula in the attached file.

Please find the attached file for the remaining explanation for the solution.

8 0
3 years ago
What maximum upward acceleration can it give the elevator without breaking?.
MariettaO [177]

The maximum upward acceleration that the elevator can have without breaking is = 10.36m/s².

<h3>How to calculate maximum upward acceleration?</h3>

To calculate the maximum acceleration of the elevator we must take into account Newton's second law and its formula that takes into account the following aspects:

  • F = Is the force applied in newtons.
  • m = Is the mass of the object in kilograms.
  • a = Is the acceleration of the object in meters per second squeared.

  • F = m × a

According to the above, we apply the values we have as follows:

  • a = \frac{F}{m}

  • a = \frac{21750N}{2100Kg}

  • a = 10.36 m/s²

Note: This question is incomplete because some information is missing. Here is the complete information.

Learn more about acceleration in: brainly.com/question/13312735

7 0
3 years ago
Which statements about braking a car are true? A)The greater the kinetic energy of a car, the longer it takes for the car to sto
NikAS [45]

Answer:

option c  

Explanation:

Kinetic energy is due to the speed of a body.

K.E = \frac{1}{2}mv^2

When speed is doubled, the kinetic energy  is quadruple.

From third equation of motion, braking distance is also proportional to square of speed. Thus, when speed is doubled, the braking distance is quadruple.

Thus, option c is correct.

3 0
3 years ago
Read 2 more answers
True or False: Radio waves are the longest and have the least energy of any wave.​
Alona [7]

Answer:

t

Explanation:

8 0
3 years ago
Read 2 more answers
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