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3 years ago

Gravitational force is affected by: a. mass c. distance b. weight d. both a and c

1 answer:

6 0

Gravitational force is affected by: a. mass c. distance b. weight d. both a and c

Mass.

When an object is above the Earth's surface it hasgravitational potential energy (GPE). The amount of GPE an object has depends on its mass and its height above the Earth's surface

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A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration? Q. Acceleration only takes place when things speed up. Q. A drag racer accelerated from 0 m/s to 200 m/s in 5 s.

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2 years ago

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2 years ago

Una cuerda horizontal tiene una longitud de 5 m y masa de 0,00145 kg. Si sobre esta cuerda se da un pulso generando una longitud

FromTheMoon [43]

Answer:

Option (A) is correct.

Explanation:

A horizontal rope has a length of 5 m and a mass of 0.00145 kg. If a pulse occurs on this string, generating a wavelength of 0.6 m and a frequency of 120 Hz. The tension to which the string is subjected is

mass of string, m = 0.00145 kg

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wavelength = 0.6 m

Speed = frequency x wavelength

speed = 120 x 0.6 = 72 m/s

Let the tension is T.

Use the formula

$v =\sqrt\frac{T L}{m}\\\\72 = \sqrt\frac{T\times 5}{0.00145}\\\\T = 1.5 N$

Option (A) is correct.

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2 years ago

Add the following displacement vectors: 12 m south and 15 m 55° E of N??

daser333 [38]

12m S=0m E, -12m N
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2 years ago

What is a newton equal to in terms of units of mass and acceleration

artcher [175]

1 newton is the force needed to accelerate 1 kilogram of mass
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It's a force equal to roughly 3.6 ounces.

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2 years ago

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