Is energy transformation from potential to kinetic 100%?

1 answer:

8 0

Yes. take a bow for instance. while pulling back the string you have potential energy. when you let the string go and the arrow flies towards your target the string is filled with kinetic energy.

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When two waves interact with their crests and troughs in alignment is called?

marissa [1.9K]

When two waves interact with their crests and troughs in alignment is called constructive interference. If two waves of the same wavelength occupy the same space in such a way that their crests and troughs align, the wave they produce will have an amplitude greater than that possessed by either wave initially. This is known as constructive interference. The more closely the waves are in phase—that is, perfectly aligned—the more constructive the interference.

5 0

3 years ago

Read 2 more answers

A disk with a radius of R is oriented with its normal unit vector at an angle Q with respect to a uniform electric field. Which

beks73 [17]

As we know that electric flux is given by

$\phi = E.A$

$\phi = EAcos\theta$

so in order to increase the flux we have two options

1. By increasing the area of the disc

2. by changing the orientation of disc so the area of the disc is parallel to the electric field

so correct answer will be

<em> A. increasing the area of the disk</em>

7 0

3 years ago

What factors affect the frictional force between objects ?

g100num [7]

Well it should be Material and weight not sure

4 0

3 years ago

Fig.4.1

Nutka1998 [239]

Answer:

Explanation:

7 0

4 years ago

A train travels 70 kilometers in 1 hours, and then 63 kilometers in 2 hours. What is its average speed?

lozanna [386]

The answer is: " 44 $\frac{1}{3}$ km " ;
or; write as: " 44.333 km " .
___________________________________________________________
Explanation:
___________________________________________________________
(70 km + 63 km) ÷ (2 + 1 ) = 133 km ÷ 3 = " 44 $\frac{1}{3}$ km " ;
or; write as: " 44.333 km " .
___________________________________________________________

3 0

4 years ago