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Yuri [45]
2 years ago
15

What is the weight of a 20 kg box on the Earth? A) 2 N B) 20 N C) 200 N

Physics
1 answer:
jarptica [38.1K]2 years ago
6 0
C 200 Newtons ........
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In order to protect underground pipelines and storage tanks made of iron, the iron is made the cathode of a voltaic cell through
emmasim [6.3K]

The answer would be that the process to protect the underground pipelines and storage tanks is cathodic protection.

3 0
3 years ago
11 kg is a familiar weight for a bag of flour. You are baking cookies for a Save The Rain Forest fund drive. It takes 500 g of f
arlik [135]

Answer: 22 batches.

Explanation:

Given that 11 kg is a familiar weight for a bag of flour. Also, it is given that It takes 500 g of flour to make one batch of cookies.

How many batches of cookies can you make with one bag of flour

Let's first convert 11 kg into grams (g) by multiplying it by 1000

11 × 1000 = 11000 g

Divide 11000 by 500

11000/500 = 22

Therefore, 22 batches of cookies can be made with one bag of flour.

8 0
3 years ago
Compare an Earth year to a cosmic year
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Compared with an Earth year, a galactic year represents time on a grand scale but its not a consistent measurement across the galaxy
4 0
2 years ago
Give two ways of reversing the direction of the forces on the coil in the electric motor?​
nikklg [1K]

Answer:

Interchanging the poles of the magnet

Reversing the direction of the applied current

Explanation:

  1. The working of the electric motor is associated with Fleming's left-hand rule.
  2. It states that if a current-carrying conductor is placed inside a magnetic field, it experiences a force in the direction perpendicular to the direction of the electric current and magnetic field.
  3. These three physical quantities are placed in a mutually perpendicular direction.
  4. So, in order to reverse the direction of force, you have to either change the direction of the current or magnetic field.
4 0
3 years ago
A string is stretched between a fixed support and a pulley a distance 111 cm apart. The tension on the string is controlled by a
kvv77 [185]

Answer:

88.8 m/s= Speed of wave propagation in the required mode.(3 loops)

Explanation:

When there are 3 loops.  

the total length = L = 3 λ /2

⇒ λ  = 2 L / 3 = 2 ( 1.11 ) / 3 = 0.74 m

Velocity = v = f λ = (120)(0.74) = 88.8 m/s

3 0
3 years ago
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