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2 years ago

Which of the following clocks is the most precise

Physics

1 answer:

UNO [17]2 years ago

3 0

Answer:

<em>Digital clock is the most precised one</em>

Explanation:

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Jacob is working on his physics portfolio and stands on a 0.45 m high step. If Jacob’s mass is 103 kg, what is his

Aleks [24]

$e_ p = m \times g \times h \\ \\ = 103kg \times 9.81 \frac{m}{s { }^{2} } \times 0.45m$

4 0

2 years ago

If the weight of the ruler is one Newton ,Gc cannot have a value more than 25cm

nevsk [136]

If the length of the ruler is 50 cm, the center of gravity cannot be greater than 25 cm.

The given parameters:

Weight of the ruler = 1 N

<h3>What is center of gravity (CG)?</h3>

Center of gravity is the point at which the weight of an object is concentrated.

Let the length of the ruler = L

The center of the gravity of the ruler is calculated as follows;

$X_{CG} = \frac{W(L_0) + W(L -X_{CG})}{W} \\\\X_{CG} = \frac{1(0) + 1(L -X_{CG})}{1}\\\\X_{CG} = L - X_{CG}\\\\X_{CG } + X_{CG} = L\\\\2X_{CG} = L\\\\X_{CG} = \frac{L}{2} \\\\when , \ L = 50 \ cm\\\\X_{CG} = \frac{50}{2} \\\\X_{CG} = 25 \ cm$

Thus, if the length of the ruler is 50 cm, the center of gravity cannot be greater than 25 cm. This may change if the length of the ruler changes because the center of gravity of uniform ruler depends on the length of the ruler.

Learn more about center of gravity here: brainly.com/question/6765179

4 0

1 year ago

a man counts 6 waves on a pond in 10 seconds. the distance between them is 40 cm. what is their speed?

gavmur [86]

Answer:

so a man counts 6 waves on a pound in 10 second

Explanation:

6×10 = 60

60/40

so the answer is3

7 0

2 years ago

In which way does Stephen Hawking use mathematics in his work?

Ilya [14]

He needs to measure when he draws the Simpson characters to make sure they are the same time each time he draws them

3 0

2 years ago

Which force has an infinite range and is always attractive

leva [86]

Answer:

Gravitational Force.

Explanation:

Being one of the fundamental forces of nature, gravitational force is the weakest but has an infinite range. It is always attractive and acts between any two pieces of matter in nature.

5 0

2 years ago