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3 years ago

How long does it take for a bee traveling 11.34 m/s to fly 120 m?

Physics

1 answer:

DanielleElmas [232]3 years ago

4 0

It’s takes them about 10.59 seconds to fly 120 meters.

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A wooden cylinder of length L and cross-sectional area A is partially submerged in a liquid with the axis of the cylinder orient

SCORPION-xisa [38]

Answer:

$F=\rho_LAdg$

Explanation:

The buoyant force F is equal to the weight of the displaced fluid. The weight of the displaced fluid is $W=m_dg$ , where $m_d$ is the mass of the displaced fluid. The mass of the displaced fluid is $m_d=\rho_LV_d$ , where $\rho_L$ is the density of the fluid and $V_d$ is the displaced volume, which is equal to the submerged volume of the cilinder $V_d=V_s=Ad$ .

Putting all together we have:

$F=W=m_dg=\rho_LV_dg=\rho_LAdg$

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4 years ago

A wheel 30 cm in diameter accelerates uniformly from 245 rpm to 380 rpm in 6.1 s . Part A How far will a point on the edge of th

jonny [76]

Answer:

A point on the edge of the wheel will travel 199.563 radians at the given time.

Explanation:

Given;

initial angular velocity of the wheel; $\omega _i = 245 \ rev/\min = 245\ \frac{rev}{\min} \times \frac{2\pi}{1\ rev} \times \frac{1 \ \min}{60 \ s} = 25.66 \ rad/s$

final angular velocity of the wheel;

$\omega _f = 380 \ rev/\min = 380 \ \frac{rev}{\min} \times \frac{2\pi}{1\ rev} \times \frac{1 \ \min}{60 \ s} = 39.80 \ rad/s$

radius of the wheel, d/2 = (30 cm ) / 2 = 15 cm = 0.15 m

time of motion, t = 6.1 s

The angular distance traveled by the edge of the wheel is calculated as;

$\theta = (\frac{\omega_f + \omega_i}{2} )t\\\\\theta = (\frac{39.8 + 25.66}{2} )\times 6.1\\\\\theta = 199.653 \ radian$

Therefore, a point on the edge of the wheel will travel 199.563 radians at the given time.

6 0

3 years ago

What are the 2 types of ions.

Alina [70]

Answer:

Anions have more electrons than protons and so have a net negative charge. Cations have more protons than electrons and so have a net positive charge. Zwitterions are neutral and have both positive and negative charges at different locations throughout the molecule.

Explanation:

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3 years ago

70 POINTS AND BRAINLIEST PLEASE HELP!!!The Moon orbits Earth. This orbit causes the Moon to look different over the course of ab

Rudik [331]

Answer:

It always acurs after a 1st quarter

do you have photo?

Explanation:

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3 years ago

Summarize the process by which water changes from one state of matter to another. Indicates whether energy is absorbed or releas

anyanavicka [17]

When water changes from a liquid state to a solid state, the process is called solidification (freezing), this change in matter strengthens the intermolecular forces of the molecules and is hence an exothermic reaction, which releases energy.

When water changes from a liquid state to gaseous state, the process is called evaporation (vaporization), this change in matter weakens the intermolecular forces of the molecules and is hence an endothermic reaction, which absorbs (uses) energy

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4 years ago