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ArbitrLikvidat [17]
2 years ago
14

One consequence of Newton's third law of motion is that __________. A. Every object that has mass has inertia B. A force acting

upon an object increases that objects acceleration C. All actions have equal and opposite reactions D. None of the above Please select the best answer from the choices provided. A B C D.
Physics
1 answer:
vovangra [49]2 years ago
8 0

Answer:

B

Explanation:

a force acting upon an object increases that objects acceleration

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An object is thrown with a horizontal velocity of 49mt/sec and a vertical velocity of 18.8 mt/sec. How long will the object take
zaharov [31]

Answer:

<em>The object takes 3.84 seconds to return to earth.</em>

Explanation:

<u>Projectile Motion</u>

It's when an object projected above the ground at a certain velocity, moves along a curved path under the action of gravity.

The initial velocity has two components, given by:

v_x=vo_x

v_y=vo_y-gt

Where vox is the initial component of the velocity in the horizontal direction, voy is the initial component of the velocity in the vertical direction, and t is the time.

The object reaches a maximum height and then it returns to the ground. The time it takes to reach the maximum height can be calculated when the vertical component of the velocity is zero:

vo_y-gt=0

\displaystyle t_m=\frac{vo_y}{g}

The initial vertical component of the velocity is 18.8 m/s, thus:

\displaystyle t_m=\frac{18.8}{9.8}=1.92~s

The total time is double that time:

t_t=2*1.92~s=3.84~s

The object takes 3.84 seconds to return to earth.

5 0
3 years ago
Which of the following activities would have the highest excessive momentum?
expeople1 [14]
Either B. or C. I am pretty sure it is B.
5 0
3 years ago
Read 2 more answers
If the strings have the same thickness butdifferent lengths, which of the following parameters, if any, willbe different in the
gizmo_the_mogwai [7]

Answer:

1.Length is one of the four factors on which the wave frequency depends. So if the length of the string changes then there will be a change in the vibration of string. So in this case if the lengths are different then the wave frequency of both will be different.

2. Wave speed will be the same as it depends on tension and linear density of it.

3.  Wavelength itself is find out by the length of string so it depends on length and it will vary with the lengths of strings.

Explanation:

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3 years ago
How does flowing water change the earths surface
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Deposition occurs when gravity's downward pull on sediment is greater than the push of flowing water<span> or wind. Rivers and streams erode soil, rock, and sediment. Sediment is tiny grains of broken-down rock.</span>
3 0
2 years ago
Calculate the density of a solid cube that
tia_tia [17]
Ok so if each side is 4.53 cm, we can multiply 4.53 x 4.53 x 4.53 to get the volume (since v= l x w x h). Density equals mass/volume, so

519 g/4.53 cm 
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4 0
3 years ago
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