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gizmo_the_mogwai [7]
3 years ago
5

PlEASE HELP quick I am in The middle of a quiz.

Physics
1 answer:
Vlada [557]3 years ago
8 0

Answer:

The second option

Explanation:

  • Radiation can be shown through emission of waves (those wavey lines that are present)
  • Radiation emits heat so it would transfer heat to a cold or less hot surface (so it would start of hot then transfer thermal energy to a cold surface)
  • An example would be the sun's radiation hitting the earth
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The quarterback throws a football at 25 m/s at a certain angle above the horizontal. If it took the ball 2.5 s to reach the top
otez555 [7]

Answer:

The ball was in the air for 5.0 seconds

Explanation:

When the ball is thrown above at a certain angle from the horizontal it follows a projectile motion.

The ball has a specific vertical and horizontal velocity.

The time take for the ball to reach at the top of its path is also the time taken by the vertical velocity vector to become zero. This is the first half of the projectile motion (ball is going up).

For the second half, the ball comes down and it accelerates with same gravitational acceleration from which it was decelerating in the first half. Hence the time to come down will be the same 2.5 seconds.

So the total time the ball was in the air is twice of 2.5, i.e,

5.0 seconds

3 0
3 years ago
2.<br> The inertia of an object depends on its
denis23 [38]

Answer:

Inertia of an object depends on the <em>mass </em>of the object.

Explanation:

Inertia is the property that is possessed by a matter( anything that has weight and occupies space) that enables it to be at rest or in a state of continuous uniform motion.

<em>The inertial of a body is the resistance that is present in the body, that forces acting on the body have to overcome for the body to move or continue moving.</em><em> </em>

The inertia of a body depends on the mass of such a body, which is directly proportional. The mass of an object is the measure of inertia,  the bigger the mass of an object the bigger the inertia.

<em>Therefore the Inertia of an object is largely dependent on the mass of such an object. </em>

6 0
3 years ago
Help me please please
natali 33 [55]

Elements; 1, 9, 12

Compounds: 3, 7, 11

Mixtures: 2, 4, 5, 6, 8, 10

5 0
3 years ago
Mation about your sour
Ann [662]

(#1). (D).

(#2). (C).

8 0
3 years ago
What was the most serious money problem faced by people in the early United States?
alexira [117]
<span>♥B. There was no single medium of exchange.♥
Take a look at the saying </span><span>"Not worth a Continental".
It referrers to the fact that </span><span>currency issued by the Continental Congress was usually just a promise to pay.
Leaving your answer with ♥B♥</span>
5 0
3 years ago
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