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stiv31 [10]
3 years ago
5

The north and south poles of a magnetic field produced by an electromagnet will switch when the direction of the BLANK changes.

Physics
1 answer:
joja [24]3 years ago
8 0
The north and south poles of a magnetic field produced by an electromagnet will switch when the direction of the Current changes.
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Alexandra [31]

The moon's gravitational pull on Earth causes water to bulge on two sides of the Earth(#3)

https://scijinks.gov/tides/

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3 years ago
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The speed of a 500 g cricket ball changes from 10m/s to 30m/s in just 7 seconds. What is the force acting on the cart?
9966 [12]

The force acting on the cart is 1.43 N.

<h3>What is force?</h3>

Force can be defined as the product of mass and acceleration.

To calculate the force acting on the cart, we use the formula below.

Formula:

  • F = m(v-u)/t................. Equation 1

Where:

  • F = Force acting on the cart
  • m = mass of the cart
  • v = Final velocity
  • u = initial velocity
  • t = time

From the question,

Given:

  • m = 500 g = 0.5 kg
  • v = 30 m/s
  • u = 10 m/s
  • t = 7 seconds

Substitute these values into equation 1

  • F = 0.5(30-10)/7
  • F = 10/7
  • F = 1.43 N.

Hence, the force acting on the cart is 1.43 N.

Learn more about force here: brainly.com/question/13370981

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2 years ago
Question 4 of 10
kiruha [24]
B hey what do u know i took that test to
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3 years ago
A butterfly flies from the top of a tree in the center of a garden to rest on top of a red flower at the garden's edge. The tree
Zielflug [23.3K]

The butterfly takes a vertical perpendicular path equivalent to 9m and travels a horizontal distance of 17m. The net path between the two is equivalent to that of the hypotenuse, so we will apply the Pythagorean theorem.

x=\sqrt{(9)^2+(0.17)^2}

x = 9.0061 \approx 9.0 m

Therefore the magnitude of the butterfly's displacement is 9m

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3 years ago
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Electromagnetic radiation that behaves like a particle is called a(n) ________.
Luda [366]
It is called photons

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