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Sveta_85 [38]
3 years ago
6

Can any one please help me on this on kinda lost thank you

Physics
1 answer:
Elena-2011 [213]3 years ago
7 0
Speed of sound in cold air, speed of sound in warm air, speed of sound in steel speed of sound in water, and speed of sound in hot molten lead
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A wheel that is rotating at 33.3 rad/s is given an angular acceleration of 2.15 rad/s 2. Through what angle has the wheel turned
Neporo4naja [7]

Answer:

The angle through which the wheel turned is 947.7 rad.

Explanation:

initial angular velocity, \omega _i = 33.3 rad/s

angular acceleration, α = 2.15 rad/s²

final angular velocity, \omega_f = 72 rad/s

angle the wheel turned, θ = ?

The angle through which the wheel turned can be calculated by applying the following kinematic equation;

\omega_f^2 = \omega_i^2 + 2\alpha \theta\\\\\theta = \frac{\omega_f^2\   -\  \omega_i^2}{2\alpha } \\\\\theta = \frac{(72)^2\   -\  (33.3)^2}{2(2.15)}\\\\\theta = 947.7 \ rad

Therefore, the angle through which the wheel turned is 947.7 rad.

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3 years ago
A push of magnitude P acts on a box of weight W as shown in the figure. The push is directed at an angle θ below the horizontal,
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its on wheels and they are supposed to make it eas

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3 years ago
Which property determines and Adams ability to attract electrons shared in a chemical bond?
Bad White [126]

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Electronegativity

Explanation:

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Explain how a helicopter lifts itself up, from a Newton's 3rd Law perspective,
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When a helicopter engine spins the main rotor, it generates torque (see How a Helicopter Works), an equal and opposite reaction. Torque makes it so that the engine itself wants to spin.
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3 years ago
A bird on a long migration flies 63 kilometers per hour for 2900
Fed [463]

Answer:

46

Explanation:

2900 divided by 63 (2900/63)

-  46.03174603

Rounded to the nearest whole number

is 46.

THE ANSWER IS 46

5 0
3 years ago
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