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MArishka [77]
3 years ago
7

The ideal mechanical advantage of an inclined plane is 3.5, and its efficiency is 0.6. What is the mechanical advantage of the i

nclined plane?
Physics
1 answer:
Nadya [2.5K]3 years ago
7 0
Mechanical advantage = ideal mechanical advantage x efficiency = 3.5 x 0.6 = 2.1
The mechanical advantage of the inclined plane is 2.1

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2 years ago
A ball is shot at an angle of 45 degrees into the air with initial velocity of 46 ft/sec. Assuming no air resistance, how high d
mestny [16]

Answer:

5.02 m

Explanation:

Applying the formula of maximum height of a projectile,

H = U²sin²Ф/2g...................... Equation 1

Where H = maximum height, U = initial velocity, Ф = angle, g = acceleration due to gravity.

Given: U = 46 ft/sec = 14.021 m/s, Ф = 45°

Constant: g = 9.8 m/s²

Substitute these values into equation 1

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8 0
3 years ago
I NEED HELP??!!
user100 [1]

The material that transmits most light is d) clear glass.

Explanation:

Depending on whether objects can transmit light or not, they can be classified into three types:

  • Opaque: an object opaque does not transmit light at all (light cannot pass through an opaque object). Examples of opaque objects are metals
  • Translucent: translucent objects allow light to pass partially through them. Examples of translucent objects are fluids
  • Transparent: transparent objects allow light to pass through them. An example of transparent objects is clear glass

In this problem, we have the following objects:

  • Umbrella: it is opaque, light does not pass through it
  • Blanket: it is opaque, light does not pass through it
  • Mirror: It is opaque, since it reflects light (light does not pass through it)
  • Clear glass: it is a transparent object

Therefore, the material that transmits most light is d) clear glass.

Learn more about light:

brainly.com/question/3183125

brainly.com/question/12370040

#LearnwithBrainly

4 0
3 years ago
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