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lorasvet [3.4K]
3 years ago
7

In which medium does sound travel the fastest?

Physics
1 answer:
Vikki [24]3 years ago
4 0

1.  D - sound travels the fastest through solids

2. 50 mm/s - v=fa

3. B - only process that involves changing waves

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Which of the following choices is the best example of potential energy?
jekas [21]

Answer:

A basketball sitting still in a players hands

Explanation:

The other 3 answers have the ball <u>in motion</u> (going towards the basket, bouncing, and rolling) so that would be <u>kinetic energy</u>.

When the basketball is sitting in the player's hands, it has the potential to be in motion.

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A hilly road is spiral in shape.​
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I- wym incorrect answer i-
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Inertia is based only on an objects <br> A. Mass<br> B. Net force <br> C. Velocity <br> D. Weight
coldgirl [10]

Answer:

A. Mass

Explanation:

Inertia is the resistance of an object to any change in its velocity. Inertia depends only on the mass of the object: the greater the mass, the larger the inertia of the object, because it will be more difficult to change the velocity of the object.

An example to better understand: assume there is a golf ball rolling with a certain speed, and a car moving with the same speed. If we want to stop the two objects, we will need a much larger force for the car, because its mass is much greater than the gold ball, so it has much more inertia than the golf ball.

6 0
4 years ago
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A blender with a total resistance of 6 ohms runs on a voltage of 190 volts. How much current does it use? NEED TO KNOW ASAP PLEA
faltersainse [42]
<h2>Hello!</h2>

The answer is 31.67 Amps.

<h2>Why?</h2>

To solve the problem, we need to use Ohm's Law equation, which states that:

V=IR

Where,

V, is the voltage (in volts)

I, is the current (in Amps)

R, is the resistance (in Ohms)

We are given the following information:

Voltage=190v\\Resistance=6\Omega\\

So, using Ohm's Law equation and substituting the given information, we have:

V=IR\\\\190v=I*6\Omega\\\\I=\frac{190v}{6\Omega}=31.67Amps

Hence, we have that the current used by the blender is 31.67Amps.

Have a nice day!

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3 years ago
Deep-focus earthquakes form at subduction zones as well as continental-continental plate boundaries True Or False
kipiarov [429]

Answer:

The answer is true, they can form at both.

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3 years ago
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