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Paraphin [41]
2 years ago
12

2- A student ran 135 meters in 15 seconds. What was the student's velocity?

Physics
1 answer:
RoseWind [281]2 years ago
4 0

Answer:

9 Brainly hahaha ............huh

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3 0
2 years ago
As the phase angle is decreased, the power factor is
Darina [25.2K]
The answer is increased.  A power factor of one or "unity power factor" is the aim of any electric utility business from the time when if the power factor is less than one, they have to give more current to the user for an assumed amount of power use. In so doing, they gain more line harms.
7 0
3 years ago
A ball is thrown upward with an initial vertical velocity of v0 to a maximum height of hmax and falls back toward earth. on the
Vlad1618 [11]

Answer: v_f=g\frac{t}{2}

The ball was thrown at the speed of v_o.

Maximum height achieved is h_{max}

Time of flight is t.

Now, the time the ball takes to achieve maximum height = the time taken by ball to fall back = \frac{t}{2}

let us just consider the second half of the flight. At h_{max}, the velocity would be zero. let us consider as the initial velocity for the second half of the flight i.e. v_i=0

Using the equation of motion:

v_f=v_i+at

where,  v_f is the final velocity, a is the acceleration, t is the time taken.

Because the ball would fall under gravity, hence a=g and time of flight would be t/2

\Rightarrow v_f=0+g\frac {t}{2}

5 0
3 years ago
PLEASE HELP
snow_lady [41]
12 is false I think And I'm not sure about the rest
4 0
3 years ago
If you know an objects mass and acceleration you can determine the net force being exerted on the object
den301095 [7]
Hello,

This is true. Net force can be calculated using the equation F = ma, where f is net force, m is mass, and a is acceleration. Simply multiply mass and acceleration to obtain the net force being exerted on the object.

True

Hope this helps!
6 0
3 years ago
Read 2 more answers
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