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lozanna [386]
2 years ago
10

List at least 10 derived units of some physical quantities.​

Physics
2 answers:
Artist 52 [7]2 years ago
8 0

Answer:

pressure, stress pascal N/m2

energy, work, quantity of heat joule N·m

power, radiant flux watt J/s

electric charge, quantity of electricity coulomb -

valentina_108 [34]2 years ago
8 0

Hello there mate ☺️,

Given in the attached image is a table including all the derived units with some symbols.

✍️ <em>By </em><em>Benjemin</em><em> </em>☺️

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What must the charge (sign and magnitude) of a 3.45 g particle be for it to remain stationary when placed in a downward-directed
Pani-rosa [81]

     charge must be equal to 5.74 ×10⁻⁵

 In the question it is said that the particle remains stationary which means the the net force on the particle is zero. So, the counterbalancing forces must be equal which means weight is equal to upward electric force.

     →    Fnet =0

     →    mg =  qE

 substituting the values we get :

         0.00345 × 9.81 =  q × 590

   →       q = 5.74 ×10⁻⁵

    Hence the charge must be equal to   5.74 ×10⁻⁵.

   Learn more about charges here:

          brainly.com/question/26092261

                    # SPJ4

8 0
1 year ago
Which of the following statements about the conservation of momentum is not correct? Momentum is conserved for a system of objec
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Answer:

wrong statement :  Momentum is not conserved for a system of objects in a head-on collision.

Explanation:

In a head on collision of two objects , two equal and opposite forces are created at the point of collision . These two forces create two impulses in opposite direction which results in equal and opposite changes in momentum in each of them . Hence net change in momentum is zero. In this way momentum is conserved in head on collision of two objects.

3 0
3 years ago
a car travel the first 20km with a speed of 40km/h and the next 40km with a speed of 80km/h . find the average speed​
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Answer:

average speed is 60km/h

Explanation:

you sum up the speed attained in each distance covered and divide it by 2 to get your answer

3 0
2 years ago
What is kinetic energy? Question 1 options: energy that is due to motion energy that is stored the mass of an object the rate at
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SVETLANKA909090 [29]

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1. 15 N

2. 0.4921 \frac{ft}{s^2} (feet per second squared)

4. 150 N

5. 8.202 feet per second squared

3 0
2 years ago
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