3 years ago

Hydraulics uses _______ to change the size and/or direction of a force

1 answer:

5 0

I know this the answer is <span>pressurized liquids if you go on quizlet they will always give you the answer just so you know</span>

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What effect does an unbalanced force have on an object?

Mars2501 [29]

<span>it either changes the direction of the object or it stops the object in motion.</span>

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How does urban development affect earths environment

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the polluted urban environment affects the health and quality of life

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3 years ago

4.0 kg objects mive a distance of 7.8 m under the action of a cinstant gorce of 5.6 N. how much work is dine on object?

alexdok [17]

Answer:

43.68 J

Explanation:

Distance moved= 7.8 m

Force = 5.6 N

Work Done= Distance moved * Force

= 7.8 *5.6

=43.68 Joules

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3 years ago

A car with a mass of 1.1 × 103 kilograms hits a stationary truck with a mass of 2.3 × 103 kilograms from the rear end. The initi

snow_lady [41]

Answer:

The velocity of the truck after this elastic collision is 15.7 m/s

Explanation:

It is given that,

Mass of the car, $m_1=1.1\times 10^3\ kg$

Mass of the truck, $m_2=2.3\times 10^3\ kg$

Initial velocity of the car, $u_1=22\ m/s$

Initial velocity of the truck, u₂ = 0

After the collision the velocity of the car is, v₁ = -11 m/s

Let v₂ is the velocity of the truck after this elastic collision. Using the conservation of momentum as :

$m_1u_1+m_2u_2=m_1v_1+m_2v_2$

$1.1\times 10^3\times 22+0=1.1\times 10^3\times (11)+2.3\times 10^3\times v_2$

$v_2=15.7\ m/s$

So, the velocity of the truck after this elastic collision is 15.7 m/s. Hence, the correct option is (c).

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3 years ago

A bus accelerates 25 m/s" and the bus has a mass of 150kg. What is the force on the bus?

o-na [289]

Answer:

150 I would believe that it is the correct answer

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3 years ago