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2 years ago

5

Which of the following elements are least abundant in the solar system?

1 answer:

Art [367]2 years ago

7 0

The answer to this question is Helium

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Ice, which is the solid state of water, the liquid

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What percent of the energy used in the united states come from burning fossil fuels?

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3 years ago

A wire runs left to right and carries a current in the direction shown. What is the direction of the magnetic field at point Z?

Vanyuwa [196]

The correct option is out of the screen.

As the motion of positive charge is the direction of current in the wire. From the right-hand curl rule, the magnetic field direction will be outside the paper or the screen. As the <span>wire runs left to right and carries a current in the direction from left to right, the magnetic field lines will be outside the screen.</span>

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2 years ago

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When a front wheel drops off the roadway you should?

nikdorinn [45]

<span>braking and returning suddenly to the roadway</span>

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3 years ago

A student made the claim that a 4 gram paintball fired from a paintball gun at 90 m/s could have about the same kinetic energy a

vovikov84 [41]

This question involves the concept of kinetic energy.

The student's claim is "right".

<h3>Kinetic Energy</h3>

The energy possessed by a body, by the virtue of its motion is called kinetic energy. Mathematically it is given by the following formula:

$K.E =\frac{1}{2}mv^2$

where,

K.E = Kinetic energy
m = mass
v = velocity

Therefore,

For the paintball:

$K.E = \frac{1}{2}(4\ g)(90\ m/s)^2$

K.E = 16200 J

For the pellet:

$K.E = \frac{1}{2}(1\ g)(180\ m/s)^2$

K.E = 16200 J

Hence, both paintball and pellet will have same kinetic energy. The student is right.

Learn more about kinetic energy here:

brainly.com/question/12669551

#SPJ1

7 0

2 years ago