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oee [108]
3 years ago
12

A wave that consists of changing electric and magnetic fields and that can travel through empty space is a(n) __________________

____
Physics
1 answer:
kap26 [50]3 years ago
5 0
Electromagnetic wave
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A ball of 0.5kg slows down from 5m/s to 3m/s. Calculate the work done inthe process.
dlinn [17]

Answer:

9.8 Joules (rounded to 2 significant figures)

Explanation:

Work done (J)= Force(N) x distance changed (m)

  • Force= 9.80665 x 0.5kg
  • Force= 4.90332 Newtons

  • Distance changed= 5-3
  • distance changed= 2m/s

--> work done= 4.90332 x 2

work done= 9.8 Joules

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2 years ago
If a 100-N net force acts on a 50-kg car, what will the acceleration of the car be?
Tema [17]
Newton's 2nd law of motion: 

                             Force = (mass) x (acceleration)

Divide each side by (mass):     

                             Acceleration = (force) / (mass)

                                               =  (100 N) / (50 kg)

                                               =  2 m/s²  


5 0
3 years ago
Which of the following is the best definition for homestasis​
Colt1911 [192]

A property of cells, tissues, and organisms that allows the maintenance and regulation of the stability and constancy needed to function properly. Homeostasis is a healthy state that is maintained by the constant adjustment of biochemical and physiological pathways.

have a good day :).

7 0
3 years ago
Help again please !!!
rusak2 [61]
D I think .... don’t be mad if I’m wrong
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Which of these may be damaged by increase in solar activity
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<span>There's nothing on that list that may be damaged by increase in solar activity. </span>
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