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2 years ago

What force is needed to accelerate a 2-kg mass at 1 m/sec/sec

2 answers:

7 0

Answer: A newton is defined as 1 kg⋅m/s2 (it is a derived unit which is defined in terms of the SI base units). One newton is therefore the force needed to accelerate one kilogram of mass at the rate of one metre per second squared in the direction of the applied force.

SI base units: 1 kg⋅m⋅s−2.

Named after: Sir Isaac Newton.

Unit system: SI derived unit.

Imperial units: 0.2248089 lbf.

<u><em>Hope this helps!!!!</em></u>

Sauron [17]2 years ago

4 0

Answer:

From Newton's Laws of Motion

F = ma

For m=2kg, a=1m/s^2

F= 2 ×1 =2N

You need force of 2N to accelerate.

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Explain how you would order from the least to the greatest three numbers that include a positive number, a negative number, and

jeyben [28]

Well, zero is between negative and positive numbers. Negative number are less than zero and positive numbers. Positive number are greater than negative number and zero. And, zero is greater than negative number but smaller than positive number.

Negative number < Zero < Positive number

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3 years ago

Use Laplace transform methods to solve the differential equation: The initial conditions are f(0) = 0 and <img src="https://tex.

Llana [10]

Answer:

Step-by-step explanation:

$\frac{d^2 y}{dt^2} +12\frac{dy}{dt} +32y = 10e^{-2t}$ where f(x) is replaced by y

Take Laplace on both sides

$s^2 Y -s(0)-0 +12s Y-0+32Y = \frac{10}{s+2} \\Y(s^2+12s+32) = \frac{10}{s+2}\\Y = \frac{10}{(s+2)(s+4)(s+8)}$

We can resolve into partial fraction to get Y = L(y)

Let this equals

$\frac{A}{s+2} +\frac{B}{s+4} +\frac{C}{s+8} \\10 = A(s+4)(s+8) + B(s+2)(s+8) +Cs+4)(s+2) \\$

Solving we get

s=-9

24C = 10 or C =5/12

s=-2: A=10/12=5/6

s=-4: B = -5/4

Taking inverse Laplace

$y(t) = \frac{-5e^{-4t} }{4} + \frac{5e^{-8t} }{12} +\frac{-5e^{-2t} }{6}$

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3 years ago

Which is better estimate for the volume of a tube of toothpaste 6 tablespoon 6 cups?

Archy [21]

Answer:

6 tablespoons

Step-by-step explanation:

It's more logical because tubes of toothpaste do not require such a large amount of toothpaste. Look at your toothpaste tube. I'm sure that it is closer to 6 tablespoons rather than 6 cups.

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3 years ago

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sveticcg [70]

Answer:

Acute Triangle

Step-by-step explanation:

All angles are less than 90 degrees.

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2 years ago

Whats 95 divided by 8 in long division

faust18 [17]

95 divided by 8=11.875

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3 years ago

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