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DerKrebs [107]
3 years ago
12

Newton's second law is F = ma. In this task, you will plan two controlled experiments to see how changes in force and changes in

mass affect the motion of the box in the hanging weight simulation from task 1. Because you don’t have access to special measuring devices, you’ll just use observation to compare the acceleration of the box as it moves across the table. You should change only the force or the mass, but not both, because these are controlled experiments.
estimated time to complete: 20 minutes

Part A
Plan a controlled experiment that uses the simulation to investigate how changing the mass of an object changes its acceleration. The net force on the object must stay the same. Record your plan here.
Mathematics
1 answer:
Katarina [22]3 years ago
5 0
Joe mama 919229922929922929292
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Roll three dice A, B and C together. What is the probability that the numbers on A, B, C are strictly increasing or decreasing?
Artemon [7]

Answer:

The Probability of strictly increasing or decreasing order is 20/216

Step-by-step explanation:

First Die           1    2    3     4   5   6

Second Die     1    2    3     4   5   6

Third Die         1    2    3     4   5   6

Total number of outcomes= 6*6*6= 216

Possible outcomes of increasing order

1,2,3-----1,2,6  (4)

1,3,4------1,3,6 (3)

1,4,5------1,4,6 (2)

1,5,6 (1)

2,3,4—-2,4,6 (3)

2,4,5—-2,4,6 (2)

2,5,6 (1)

3,4,5—-3,4,6 (2)

3,5,6 (1)

4,5,6 (1)

Total number of possible moves of increasing order= 4+3+2+1+3+2+1+2+1+1= 20

Probability of strictly increasing order is 20/216

Similarly Probability of strictly decreasing order is calculated which is also equal to 20/216

3 0
4 years ago
The area of a rectangle is 2x^2 + 7x + 6. If the width is x + 2, what is its length?
Blababa [14]

Answer:

Area of a rectangle = Length × width

2 {x}^{2}   + 7x + 6 = length \times (x + 2)\\  \\  length = \frac{2 {x}^{2} + 7x + 6 }{x + 2}   \\   \\  \\  =  \frac{(x + 2)(2x + 3)}{x + 2}  \\  \\  = 2x + 3

So ; Length = 2x + 3

I hope I helped you^_^

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What is -5/8 + 3/4 ?
enot [183]

Answer:

0.125

Step-by-step explanation:

5 0
3 years ago
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Rewrite each equation without using absolute value for the given conditions.
forsale [732]

Answer:

x>5, so

let x=6

6-3=3

+

6+2=8

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6-5=1

3+8-1=10

answer=10

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nlexa [21]

Answer:

11.35

Step-by-step explanation:

13.25

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1.9

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11.35

7 0
4 years ago
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