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3 years ago

Is oxigen a Molecule or a compound

Physics

1 answer:

monitta3 years ago

5 0

Answer:

COMPOUND

Explanation:

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Alika [10]

Answer:

Explanation:

Because it has to increase

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3 years ago

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A complex sound’s quality depends on the mix of harmonics or overtones added to the ______________ frequency

Brilliant_brown [7]

Fundamental frequency is the "base frequency" upon which the sound is built.

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4 years ago

How much force is required to accelerate a 5 kg object at 5 m/s^2?

kramer

Answer:25n

Explanation:

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3 years ago

A tennis player tosses a tennis ball straight up and then catches it after 2.00 s at the same height as the point of release. (a

Readme [11.4K]

Answer:

Part a)

a = -9.81 m/s/s

Part b)

v = 0

Part c)

v = 9.81 m/s

Part d)

$H = 4.905 m$

Explanation:

Part a)

During the motion of ball it will have only gravitational force on the ball

so here the acceleration of the ball is only due to gravity

so it is given as

$a = g = 9.81 m/s^2$

Part b)

As we know that ball is moving against the gravity

so here the velocity of ball will keep on decreasing as the ball moves upwards

so at the highest point of the motion of the ball the speed of ball reduce to zero

$v_f = 0$

Part c)

We know that the total time taken by the ball to come back to the initial position is T = 2 s

so in this time displacement of the ball will be zero

$\Delta y = 0 = v_y t + \frac{1}{2} at^2$

$0 = v_y (2) - \frac{1}{2}(9.81)(2^2)$

$v_y = 9.81 m/s$

Part d)

at the maximum height position we know that the final speed will be zero

so we will have

$v_f^2 - v_i^2 = 2 a d$

here we have

$0 - (9.81^2) = 2(-9.81)H$

$H = 4.905 m$

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3 years ago

Cholesterol is found in grains. true false

sertanlavr [38]

No it is not. it is only found in animal products.

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4 years ago

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