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9966 [12]
3 years ago
12

#8 physics help plssss

Physics
1 answer:
Goshia [24]3 years ago
3 0
For efficiency the top one is 50% and the bottom one is 72%
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Physical properties of minerals graphic organizer
Nadusha1986 [10]
The answer is in the attachment
<span>...........................................</span>

4 0
3 years ago
After 16.5 s, a jogger’s displacement is 200.0 m. What is her average velocity in m/s? In km/h?
vivado [14]

Answer:

12.12 m/s

Explanation:

3 0
3 years ago
A boy is pulling a load of 150N with a string inclined at an angle 30 to the horizontal if the tension of string is 105N the for
Lorico [155]

The force tending to lift the load (vertical force) is equal to <u>22.5N.</u>

Why?

Since the boy is pulling a load (150N) with a string inclined at an angle of 30° to the horizontal, the total force will have two components (horizontal and vertical component), but we need to consider the given information about the tension of the string which is equal to 105N.

We can calculate the vertical force using the following formula:

VerticalForce=Force*Sin(30\° )=(BoysForce-StringForce)*\frac{1}{2}\\\\VerticalForce=(150N-105N)*\frac{1}{2}=VerticalForce=45N*\frac{1}{2}=22.5N

Hence, we can see that <u>the force tending to lift the load</u> off the ground (vertical force) is equal to <u>22.5N.</u>

Have a nice day!

8 0
4 years ago
Which of the following has the shortest wavelength? heat radio waves the color red uv radiation
HACTEHA [7]
UV Radiation since it has a higher frequency than the others. The higher the frequency the shorter the wavelength.
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3 years ago
The pivot point of a ____ is called the fulcrum.
Alexxx [7]
Hello:

The pivot point of a LEVER is called the fulcrum.
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