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larisa [96]
2 years ago
6

If a 580 N net force acts on a 40 kg what will the acceleration of the car be

Physics
2 answers:
myrzilka [38]2 years ago
7 0

Answer:

I think u have to do 580N times 40KG

tia_tia [17]2 years ago
5 0

Answer: DONT MULTIPLY, YOU DIVIDE THEM

Explanation:

F = mass x acceleration

580 N = (40 kg)(a)

580/40 = 14.5

a = 14.5 m/s²

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Darina [25.2K]
To change from mass to weight is Fw = 30 kg * 9.8 m/s^2 = 294 N. To change from weight to mass divide by gravity (9.8 m/s^2).
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3 years ago
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How much energy ( in joules ) is released when 0.06 kilograms of mercury is condensed to a liquid at the same temperature ?
aleksley [76]

Answer:

B. 17,705.1 J

Explanation:

The hear released when the mercury condenses into a liquid is given by:

Q=m \lambda_v

where

m = 0.06 kg is the mass of the mercury

\lambda_v is the latent heat of vaporization

For mercury, the latent heat of vaporization is \lambda_v = 296 kJ/kg, so the heat released during the process is:

Q=(0.06 kg)(296 kJ/kg)=17.76 kJ = 17,760 J

So, the closest option is

B. 17,705.1 J

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3 years ago
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Describe a situation where you can be traveling at a low speed but have an extremely high velocity
Reil [10]

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Cruising at 35,000 feet in an airliner, straight toward the east,

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Explanation:

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2 years ago
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If the resultant force acting on a 2.0 kg object is equal to (3.0î + 4.0ĵ) N, what is the change in kinetic energy as the object
12345 [234]

Answer:

ΔK = 24 joules.

Explanation:

ΔK = Work done on the object

Work is equal to the dot product of force supplied and the displacement of the object.

W = F * Δs

Δs can be found by subtracting the vectors (7.0, -8.0) and (11.0, -5.0), which is written as Δs = (11.0 - 7.0, -5.0 - -8.0) which equals (4.0, 3.0).

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