3 years ago

A squirrel runs from its nest in a tree

Physics

1 answer:

Debora [2.8K]3 years ago

3 0

I need more information to further answer this question.

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A spaceship approaches the earth with a speed 0.50c. A passenger in the spaceship measures his heartbeat as 9- beats per minute.

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Answer:

D) 61 beats per minute

Explanation:

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2 years ago

Which feature of a chemical equation represents the law of conservation of mass?

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Answer:

it shows the products of a chemical reaction to the right of the reaction arrow

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2 years ago

An object travels in a circular path of radius 5.0 meters at a uniform speed of 10. m/s. What is the magnitude of the object's a

vladimir1956 [14]

I think F= mv²/r
And F=ma
So, ma = mv²/r
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3 years ago

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When a hammer thrower releases her ball, she is aiming to maximize the distance from the starting ring. Assume she releases the

Taya2010 [7]

Answer:

The angular velocity is 15.37 rad/s

Solution:

As per the question:

$\theta = 54.6^{\circ}$

Horizontal distance, x = 30.1 m

Distance of the ball from the rotation axis is its radius, R = 1.15 m

Now,

To calculate the angular velocity:

Linear velocity, v = $\sqrt{\frac{gx}{sin2\theta}}$

v = $\sqrt{\frac{9.8\times 30.1}{sin2\times 54.6}}$

v = $\sqrt{\frac{294.98}{sin109.2^{\circ}}} = 17.67\ m/s$

Now,

The angular velocity can be calculated as:

$v = \omega R$

Thus

$\omega = \frac{v}{R} = \frac{17.67}{1.15} = 15.37\ rad/s$

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3 years ago

which effect can have positive effects on the environment A.flood B. wildfire C. mudslide D. landslide

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A. A flood would have the most positive effect

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