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Ratling [72]
3 years ago
9

Lucas plugs a lamp into the wall. The light bulb in the lamp turns on. What kind of energy transformation is this? A.)Light ener

gy is transformed into electrical and mechanical energy. B.) Light energy is transformed into mechanical and heat energy. C.) Electrical energy is transformed into light and heat energy. D.) Electrical energy is transformed into mechanical and heat energy.
Physics
2 answers:
Alinara [238K]3 years ago
8 0

C.):

Electrical energy is transformed into light and heat energy

inessss [21]3 years ago
6 0
C. electrical energy is transformed into light and heat energy
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They has been very successful but they are very expensive to operate that is your answer I hope this helps
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Does kinetic energy stay the same at all heights? pls help I have 12 minutes to finish the project and the teacher won't help me
Alex Ar [27]

Answer:

Kinetic energy does not stay the same at all heights

Explanation:

Well as the height and wind increase so does the kinetic energy it's like when you fall as you are about to hit the floor you speed increases

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If one bullet is dropped from a certain height and another is fired from a gun horizontally from the same height which one will
Zinaida [17]

If the ground is flat, and both bullets are released at the same time from the same height, then they both hit the ground at the same time.

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Derive the kinetic equations for Vmax and KM using the transit time and net rate constant method as discussed in class and follo
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Rate = vmax k3/k2+k3

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6 0
3 years ago
She sights two sailboats going due east from the tower. The angles of depression to the two boats are 42o and 29o. If the observ
Reika [66]

Answer:

The boats are  934.65 feet apart

Explanation:

Given:

The angles of depression to the two boats are 42 degrees and 29 degrees

Height of the observation deck i =  1,353 feet

To Find:

How far apart are the boats (y )= ?

Solution:

<em><u>Step 1 : Finding the value of x(Refer the figure attached)</u></em>

We can use the tangent ratio to find the x value

tan(42^{\circ}) = \frac{1353}{x}

x = \frac{1353}{tan(42^{\circ}) }

x = 590.47 feet

<em><u>Step 2 : Finding the value of  z (Refer the figure attached)</u></em>

tan(29^{\circ}) = \frac{1353}{z }

z  = \frac{1353}{tan(29^{\circ})}

z = 1525.12  feet

<em><u>Step 3 : Finding the value of  y (Refer the figure attached</u></em>)

y =  z -x

y = 1525.12 - 590.47

y = 934.65 feet

Thus the two boats are 934.65 feet apart

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