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vichka [17]
3 years ago
7

What is the unit of measurement for power? A. m/s2 B. watts C. joules D. newtons

Physics
1 answer:
anyanavicka [17]3 years ago
8 0

Power is the rate of doing work or using energy.

The unit of power is the watt.

         1 watt  =  1 joule per second
 
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A car travels 30.25 kilometers due west and then drives 7.50 kilometers up a hill that inclines 15.0 degrees. What is the vertic
Naddik [55]
B we use soh sin15.0=o/7.50=1.91
8 0
4 years ago
Read 2 more answers
A single-slit diffraction pattern is formed on a distant screen. Assuming the angles involved are small, by what factor will the
Law Incorporation [45]

Answer:

y and length is directly relation

Explanation:

Given data

A single-slit diffraction pattern is formed on a distant scree

angles involved = small

to find out

what factor will the width of the central bright spot on the screen change

solution

we know that  for single slit screen formula is

mass ƛ /area = sin θ and y/L = sinθ

so we can say mass ƛ /area =  y/L

and y = mass length  ƛ / area       .................1

in equation 1 here we can see y and length is directly relation so we can say from equation 1 that  the width of the central bright spot on the screen change if the distance from the slit to the screen is doubled

8 0
3 years ago
Calculate the internal axial load at a point D if length L=7 ft. The part is subjected to loads P1=632 lbs, P2=888 lbs (applied
liraira [26]

Answer:

- 256 lbs

Explanation:

The internal axial load at point D can be calculated as the change in the subjected loads. if the magnitude of the horizontal direction = zero

EF_x = 0; Then:

internal axial load at point D = Δ P

= -(P₂ - P₁)

= - ( 888 lbs - 632 lbs)

= - 256 lbs

5 0
3 years ago
Differentiate between a scientific theory and a scientific law.
solong [7]
Well, a scientific law<span> is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. ButThe explanation of the phenomenon is called a </span>scientific theory<span>. It is a misconception that </span>theories<span> turn into </span>laws<span> with enough research.</span>
3 0
4 years ago
Select the correct answer.
love history [14]

Answer:

A

Explanation:

Givens

d = 100 meters plus the depth of the well

d = 100 + x                          where x is the depth of the well.

vi = 0 m/s                           The object is dropped. It was not thrown.

t = 5 seconds

a = 9.81 m/s^2

formula

d = vi*t  +  1/2 a t^2

solution

100 + x = 0 + 1/2 * 9.81 * 5^2

100 + x = 122.625             Subtract 100 from both sides

x = 122.625 - 100

x = 22.6  m

The well is 22.6 meters deep.

5 0
3 years ago
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