2 years ago

Why is the process of photosynthesis important to food webs?

Physics

1 answer:

Slav-nsk [51]2 years ago

5 0

Answer:

to know what that specif animal or thing does in the food chain

Explanation:

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Besides the force due to gravity or g, what else determines the period of a pendulum?

pochemuha

Length of the cord..........................................................

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2 years ago

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A basketball referee tosses the ball straight up for the starting tipoff. at what velocity must a basketball player leave the gr

sladkih [1.3K]

Mgh=mv²/2

v=√2gh=√2·9.8·1.25=4.95m/s

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3 years ago

What is the kinetic energy of a 150 kg bear running at 3 m/s?

OverLord2011 [107]

Explanation:

KE = ½ mv²

KE = ½ (150 kg) (3 m/s)²

KE = 675 J

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3 years ago

The flywheel of an engine has moment of inertia 2.50 kg m2 about its rotation axis. What constant torque is required to bring it

MrRissso [65]

Answer:

Explanation:

From the question we are told that

The moment of inertia is $I = 2.50 \ kg \cdot m^2$

The final angular speed is $w_f = 400 rev/min = \frac{400 * 2\pi}{60} = 41.89 \ rad/s$

The time taken is $t = 8.0 s$

The initial angular speed is $w_i = 0\ rad/s$

Generally the average angular acceleration is mathematically represented as

$\alpha = \frac{w_f - w_i }{t}$

=> $\alpha = \frac{41.89}{8}$

=> $\alpha = 5.24 \ rad/s^2$

Generally the torque is mathematically represented as

$\tau = I * \alpha$

=> $\tau = 5.24 * 2.50$

=> $\tau = 13.09 \ N \cdot m$

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3 years ago

If velocity is decreasing,then acceleration:

ziro4ka [17]

If velocity is decreasing, then acceleration is in the direction
opposite to the velocity.

If the object is moving in the direction that you call 'positive',
then acceleration is negative.

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2 years ago