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Harman [31]
3 years ago
14

Grade 11 physical science experiments on newtons second law experience ​

Physics
1 answer:
Nutka1998 [239]3 years ago
8 0

Answer:

Newton's Second Law of Motion says that acceleration (gaining speed) happens when a force acts on a mass . Riding your bicycle is a good example of this law of motion at work. Your bicycle is the mass. Your leg muscles pushing pushing on the pedals of your bicycle is the force.

Explanation:

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A 3.0 kg pendulum swings from point A of height ya = 0.04 m to point B of height yb = 0.12 m, as seen in the diagram below.
lakkis [162]

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3 years ago
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A body-centered cubic lattice has a lattice constant of 4.83 Ă. A plane cutting the lattice has intercepts of 9.66 Å, 19.32 Å, a
anastassius [24]

Answer:

Miller Indices are [2, 4, 3]

Solution:

As per the question:

Lattice Constant, C = 4.83 \AA

Intercepts along the three axes:

\bar{x} = 9.66 \AA

\bar{x} = 19.32 \AA

\bar{x} = 14.49 \AA

Now,

Miller Indices gives the vector representation of the atomic plane orientation in the lattice and are found by taking the reciprocal of the intercepts.

Now, for the Miller Indices along the three axes:

a = \frac{1}{9.66}

b = \frac{1}{19.32}

c = \frac{1}{14.49}

To find the Miller indices, we divide a, b and c by reciprocal of lattice constant 'C' respectively:

a' = \frac{\frac{1}{9.66}}{\frac{1}{4.83}} = \frac{1}{2}

b' = \frac{\frac{1}{19.32}}{\frac{1}{4.83}} = \frac{1}{4}

c' = \frac{\frac{1}{14.49}}{\frac{1}{4.83}} = \frac{1}{3}

7 0
3 years ago
How many minerals are found in earths crust ?
Damm [24]
You can find your answer here www.rsc.org/education/teachers/resources/jesei/minerals/students.htm
5 0
4 years ago
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Define Velocity.<br>Have a Nice Day Ahead​
Usimov [2.4K]

Answer:

the speed at which something moves in a particular direction

Explanation:

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. ... Velocity is a physical vector quantity; both magnitude and direction are needed to define it.

6 0
3 years ago
"With the parents from the previous problem (white WW, black ww) give the phenotype and genotype ratios for this cross."
Anit [1.1K]

Explanation:

p1:                           Ww  x   ww

gametes:                       w,W      w,w

                                    .......cross......

F1:                             Ww (2) and ww (2)

                               (white)         (black)

therefore,

genotype  ratio -    1: 1

phenotype ratio-    1: 1

3 0
3 years ago
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