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garri49 [273]
2 years ago
7

Help!! what are the blanks???

Physics
1 answer:
zhannawk [14.2K]2 years ago
5 0
Are their any words that we can answer the question with?
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What’s contact force ?
kodGreya [7K]

Explanation:

Contact force is any force that requires contact.  An object that exerts a force on another object by touching it is exerting a contact force.  Examples of contact force are friction and normal force.

Examples of a non-contact force are gravity and magnetism.

5 0
2 years ago
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Calculate the volume of this regular solid.
My name is Ann [436]

Answer:

2144.66 cm³

Explanation:

the formula is

V= 4 /3πr³

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3 0
3 years ago
A 3.30 x 10-2-kg block is resting on a horizontal frictionless surface and is attached to a horizontal spring whose spring const
avanturin [10]

Answer:

0.17547 m

Explanation:

m = Mass of block = 3.3\times 10^{-2}\ kg

v = Velocity of block = 10.8 m/s

k = Spring constant = 125 N/m

A = Amplitude

The kinetic energy of the system is conserved

\dfrac{1}{2}mv^2=\dfrac{1}{2}kA^2\\\Rightarrow \\\Rightarrow A=\sqrt{\dfrac{mv^2}{k}}\\\Rightarrow A=\sqrt{\dfrac{3.3\times 10^{-2}\times 10.8^2}{125}}\\\Rightarrow A=0.17547\ m

The amplitude of the resulting simple harmonic motion is 0.17547 m

6 0
3 years ago
25 points! Please someone help me, this seems like a pretty easy question but I can’t seem to get it right, please list the give
elixir [45]

Answer:

1 my brother say that

Explanation:

i know my brother said it

4 0
2 years ago
Write down two examples of where ramps are used
kumpel [21]
Airports use ramps to connect the plane to the airport and towing trucks use ramps to get the vehicles on the truck
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3 years ago
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