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zalisa [80]
1 year ago
6

I need help with this physics question ASAP. Thanks!

Physics
1 answer:
Ugo [173]1 year ago
5 0

From the calculation, the horizontal distance is 310 m.

<h3>What is the range of a projectile?</h3>

A projectile has to do with an object that is thrown at an angle. Now we know that the range of the projectile is given by the formula; R = u^2sin2θ/g

We we know that;

g = acceleration due to gravity

θ = angle

u = velocity

R = (60)^2 sin2(30)/10

R = 310 m

Learn more about projectile:brainly.com/question/11422992

#SPJ1

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The crops will have the ability to be resistant to certain diseases

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What water pressure must a pump that is located on the first floor supply to have water on the thirteenth of a building with a p
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The water pressure on the first floor must be 455 PSI in order to push the water to the 13th floor at the given pressure.

The given parameters;

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The vertical pressure of the water is calculated as follows;

P = \rho gh\\\\\frac{P}{h} = \rho g\\\\\frac{P}{h} = k\\\\\frac{P_1}{h_1} = \frac{P_2}{h_2} \\\\

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The vertical height of the 13 ft floor = 10  ft

P_1 = \frac{P_2 h_1}{h_2} \\\\P_1 = \frac{35 \times 130}{10} \\\\P_1 = 455 \ PSI

Thus, the water pressure on the first floor must be 455 PSI in order to push the water to the 13th floor at the given pressure.

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Question 27 a motorboat takes 3 hours to travel 144km going upstream. the return trip takes 2 hours going downstream. what is th
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In this item, we let x be the rate of the boat in still water and y be the rate of the current.

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Downstream. The speed of the boat going downstream is equal to x + y because the boat goes with the current.
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The system of linear equations we can use to solve for x is,
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We use either elimination or substitution.
 
We solve for the y of the first equation in terms of x,
                   y =  -(144 - 3x)/3

Substitute this to the second equation,
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<em>ANSWER: 60 km/h</em>
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The maximum torque she can apply to the spark plug is 12.76 Nm.

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