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KIM [24]
3 years ago
11

What are the benefits and drawbacks of using renewable energy sources to generate electricity?

Physics
1 answer:
Luden [163]3 years ago
8 0

Answer:

benefits

Diversifying energy supply and reducing dependence on imported fuels.

Creating economic development and jobs in manufacturing, installation, and more.

drawbacks

Large areas of landfill are required

Hydroelectric power is generated from flowing water, which turns turbines and generates electricity

Explanation:

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2 years ago
A person hits a tennis ball with a mass of 0.058 kg against a wall.
horrorfan [7]

Explanation:

Mass of the ball, m = 0.058 kg

Initial speed of the ball, u = 11 m/s

Final speed of the ball, v = -11 m/s (negative as it rebounds)

Time, t = 2.1 s

(a) Let F is the average force exerted on the wall. It is given by :

F=\dfrac{m(v-u)}{t}

F=\dfrac{0.058\times (11-(-11))}{2.1}

F = 0.607 N

(b) Area of wall, A=3\ m^2

Let P is the average pressure on that area. It is given by :

P=\dfrac{F}{A}

P=\dfrac{0.607\ N}{3\ m^2}

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Hence, this is the required solution.

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3 years ago
A 2 kg basketball has a momentum of 4 kg m/s. What is the ball's velocity?
Mumz [18]
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4 0
2 years ago
A ballon filled with air bursts when it rises up in the sky why
Olegator [25]

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3 years ago
A jet airliner moving initially at 548 mph
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Let's choose the "east" direction as positive x-direction. The new velocity of the jet is the vector sum of two velocities: the initial velocity of the jet, which is

v_1 =548 mph along the x-direction

v_2 = 343 mph in a direction 67^{\circ} north of east.

To find the resultant, we must resolve both vectors on the x- and y- axis:

v_{1x}= 548 mph

v_{1y}=0

v_{2x} = (343 mph)( cos 67^{\circ})=134.0 mph

v_{2y} = (343 mph)( sin 67^{\circ})=315.7 mph

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v_{x}=548 mph+134 mph=682 mph

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So the new speed of the aircraft is:

v=\sqrt{v_x^2+v_y^2}=\sqrt{(682 mph)^2+(315.7 mph)^2}=751.5 mph

3 0
3 years ago
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