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3 years ago

To what extent do drugs benefit society (legal and illegal drugs - can include medication)

Physics

1 answer:

Marina86 [1]3 years ago

5 0

They can help with disease and infections pain and others marijuna can help calm u

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An object has a total kinetic energy of 2,400,000 J. If it’s mass is 0.004 kg, then what is it’s velocity.

VladimirAG [237]

I dont know let me check

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3 years ago

When is an object moving in uniform circular motion?

ad-work [718]

When its tangential speed is constant
Although the speed of an object that has a uniform circular motion is constant, its velocity is not constant. Not only that, but it is actually changing constantly.

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3 years ago

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A soccer player heads the ball and sends it flying vertically upwards at a speed of 18.0 m/s . How high above the players ' head

Darya [45]

Answer:

The ball travels up to 16.53 meters above the player's head

Explanation:

Vertical Launch Upwards

In a vertical launch upwards, an object is launched vertically up from a height H without taking into consideration any kind of friction with the air.

If vo is the initial speed and g is the acceleration of gravity, the maximum height reached by the object is given by:

$\displaystyle h_m=H+\frac{v_o^2}{2g}$

The initial speed of the soccer ball is vo=18 m/s. The initial height can be assumed to be zero because we are required to find the maximum height with respect to the player's head, where the vertical motion was initiated.

Calculate the maximum height:

$\displaystyle h_m=\frac{18^2}{2\cdot 9.8}$

$h_m=16.53\ m$

The ball travels up to 16.53 meters above the player's head

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3 years ago

What would happen to the brightness of the bulb in the following circuit as I increase the resistance of the variable resistor?

Margarita [4]

As you crank the variable resistor to higher resistance, the total current in the loop decreases. The power dissipated by the light bulb ... the heat and brightness it produces ... depend directly on the current through it, so they decrease too. Your circuit is a perfect incandescent light dimmer circuit.

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3 years ago

There are competitions in which pilots fly small planes low over the ground and drop weights, trying to hit a target. A pilot fl

sattari [20]

Answer:

2.0 s, 200 m

Explanation:

Time to hit the ground depends only on height. Since the plane is at the same height, the weight lands at the same time as before, 2.0 s.

Since the plane is going twice as fast, the weight will travel twice as far (ignoring air resistance). So it will travel a horizontal distance of 200 m.

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3 years ago

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