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Pachacha [2.7K]
4 years ago
5

What type of device is a car engine?

Physics
1 answer:
rusak2 [61]4 years ago
7 0

heat engine that uses work to move heat

mark brainliest  :)

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A boat crosses a river of width 229 m in which the current has a uniform speed of 0.756 m/s. The pilot maintains a bearing (i.e.
Stolb23 [73]

Answer:

1.85 m/s

102.438 m

Explanation:

From vector motion

The resultant velocity

R=\sqrt{0.756^2+1.69^2}\\\Rightarrow R=1.85\ m/s

The magnitude of speed of the speed of the boat relative to a stationary shore observer is 1.85 m/s

The distance covered is 229 m

Time = Distance / Speed

\text{Time}=\frac{229}{1.69}\\\Rightarrow \text{Time}=135.50\ s

Distance = Speed of current × Time

Distance = 0.756×135.5 = 102.438 m

The boat will be 102.438 m from the initial position is the boat when it reaches the opposite shore

3 0
4 years ago
What is the relevant similarity in the following argument?
Tasya [4]
Your answer would be C
7 0
3 years ago
What did Greek philosophers, Isaac Newton, and others commonly use to explain
Temka [501]

Answer:

Hey there!

They used math to explain their observations, for example, Newton is famous for his three laws, and universal laws of gravitation.

Let me know if this helps :)

3 0
3 years ago
two forces 3N and 4N act on a body in a direction due north and due East respectively calculate their equivalent​
Lostsunrise [7]

Two forces 3N and 4N act on a body in a direction due north From East, the equilibrant's angle is given by \theta=\tan ^{-1} \frac{3}{4}=36.8^{\circ}.

<h3>What are equilibrium and resultant force?</h3>

The equilibrium force is the balanced force when the net force acting is zero and is the exact opposite of the consequent force. The resultant force is one single force replaced by numerous forces.

<h3>Briefing:</h3>

3N and 4N are the two forces pulling on a body.

The forces work along the North and the East, which are perpendicular to one another.

The resultant of the forces, which is provided by the equilibrant force,

R  = √(3)²+(4)²

R = 5N

From East, the equilibrant's angle is given by

\theta=\tan ^{-1} \frac{3}{4}=36.8^{\circ}

To know more about equilibrium force visit:

brainly.com/question/12582625

#SPJ9

6 0
1 year ago
What is the kinetic energy of a 3.8kg ball that is rolling at 2.2 m/s
labwork [276]
Kinetic energy =  0.5 x m x v²
Kinetic energy = 0.5 x 3.8 x 2.2²
Kinetic energy = 9.196 J
3 0
3 years ago
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