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romanna [79]
2 years ago
5

9. What is the acceleration of a boat if it starts from rest and then reaches a velocity of 24 m/s in 6.0 s?

Physics
1 answer:
Tom [10]2 years ago
4 0

Answer:

b. 4 ms-2

Explanation:

acceleration = velocity / time

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2 years ago
All valid equations in physics have consistent units. Are all equations that have consistent units valid?
sweet [91]

Answer:

c. No. An equation may have consistent units but still be numerically invaid.

Explanation:

For an equation to be corrected, it should have consistent units and also be numerically correct.

Most equation are of the form;

(Actual quantity) = (dimensionless constant) × (dimensionally correct quantity)

From the above, without the dimensionless constant the equation would be numerically wrong.

For example; Kinetic energy equation.

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3 years ago
For variables control, a circuit voltage will be measured using a sample of five circuits. The past average voltage for samples
astra-53 [7]

Answer:

Average :

UCL = 4.15

LCL = 2.65

Range :

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LCL = 0

Explanation:

Given :

Sample size, n = 5

Average, X = 3.4

Range, R = 1.3

A2 for n = 5 ; equals 0.577 ( X chart table)

For the average :

Upper Control Limit (UCL) :

X + A2*R

3.4 + 0.577(1.3) = 4.1501

Lower Control Limit (LCL) :

X - A2*R

3.4 - 0.577(1.3) = 2.6499

FOR the range :

Upper Control Limit (UCL) :

UCL = D4*R

D4 for n = 5 ; equals = 2.114

UCL = 2.114*1.3 = 2.7482

Lower Control Limit (LCL) :

LCL = D3*R

D3 for n = 5 ; equals = 0

LCL = 0 * 1.3 = 0

8 0
3 years ago
How tall does a male gets
sesenic [268]

Answer:

5.6ft

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on avgerage a male gets 5 foot 6 inches

8 0
3 years ago
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All of the following are functions of the sensory somatic nervous system except
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The first one It sends signals that control heart rate and respiration. I hope this helps :)

6 0
3 years ago
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