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soldi70 [24.7K]
3 years ago
10

You are considering developing a new food-chopping appliance which uses an Arduino with a touchscreen to control the motor. You

have previously considered user and system requirements and identified candidate designs. 1. Develop one verification test and explain how you will do validation.
Physics
1 answer:
trasher [3.6K]3 years ago
4 0

Answer:

Explanation:

The food chopping appliances in this scenario should adapt use of digital image processing systems to capture the images after the chopping begins. Certain variables can be defined like food particles size, area etc. This will help deciding a threshold for the variable and then the comparator used in the system will(run by real time operating system) compare the threshold size with the digital image size of particles. If the size is found small then the speed of motor should reduce meaning we have chopped the food as per our need. In case the chopping is not done aptly, the same can be enhanced by increasing the speed of motor till the final outcome is reached

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a string of fifty 15 ohm christmas tree lights are connected in series. one burns out, they all burn out. calculate the total re
sesenic [268]

Answer:

The total resistance is 750 [ohm]

Explanation:

To solve this problem we must remember that when we have resistors connected in series, these are added each by the resistance value, in this way we have:

Rt = 15 * 50 = 750 [ohm]

4 0
3 years ago
The work done to compress a spring with a force constant of 290.0 N/m a total of 12.3 mm is: a) 3.57 J b) 1.78 J c) 0.0219 J d)
iren2701 [21]

Answer:

Work done, W = 0.0219 J

Explanation:

Given that,

Force constant of the spring, k = 290 N/m

Compression in the spring, x = 12.3 mm = 0.0123 m

We need to find the work done to compress a spring. The work done in this way is given by :

W=\dfrac{1}{2}kx^2

W=\dfrac{1}{2}\times 290\times (0.0123)^2

W = 0.0219 J

So, the work done by the spring is 0.0219 joules. Hence, this is the required solution.

7 0
4 years ago
What is the mass of Jupiter?
alexdok [17]
D<span> Jupiter is </span>2.5 times<span> more massive than all of the other planets in our Solar System combined</span>
6 0
3 years ago
Read 2 more answers
a car travels at 50 m/s for first 20 seconds , 30 m/s for next 30 seconds and finally 20 m/s for next 10 seconds . find its aver
kaheart [24]

The average speed traveled by car is 35m/s.

1^{st} case

  • Speed=50m/s\\
  • Time =20s

       Distance = speed*time= 50*20=1000m

2^{nd} case

  • Speed=30m/s
  • Time=30s

       Distance=30*30=900m

3^{rd} case

  • Speed=20m/s
  • Time=10s

       Distance=20*10=200m

Now, The total distance=(1000+900+200)m=2100m

        Total time=(20+30+10)s=60s

       Average distance =\frac{total distance}{total time} = \frac{2100}{60}=35m/s

To learn more about Average speed, refer to:

  • brainly.com/question/21097620

3 0
2 years ago
6
trapecia [35]

Explanation:

The balanced chemical equation is given as:

              2H₂O₂  →  O₂  +  2H₂O

А  There are two peroxide molecules on the reactant side.

The statement is correct because the left hand side is the reactant side. We can read the reaction as;

   2 molecules of hydrogen peroxide decomposed  to given 1 molecule of oxygen gas and 2 molecules of water .

D Mass must be conserved so there are an equal number of molecules in the reactants and products.

E Mass must be conserved so there are an equal number of atoms in the reactants and products.

Since the chemical equation is balanced, choices D and E are correct. The reaction will have equal number of molecules and atoms on both sides of the expression.

5 0
3 years ago
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