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OverLord2011 [107]
3 years ago
7

how does the frequency of a radio wave compare to the frequency of the vibrating electrons that produce it?

Physics
1 answer:
HACTEHA [7]3 years ago
3 0

Answer:

mass

Explanation:

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WILL MARK BRAINLIEST PLS HELP
KiRa [710]

Answer:

Our planet's rotation produces a force on all bodies moving relative to theEarth. Due to Earth's approximately spherical shape, this force is greatest at the poles and least at the Equator. The force, called the "Coriolis effect," causes the direction of winds and ocean currents to be deflected.

Hope this helps!

4 0
3 years ago
A person is 88 J of work lifting a grocery bag straight off the ground to a height of 1.7 m what is a grocery bags mass
Olin [163]

Answer:

5.277 kg

Explanation:

Since the formula for work is W = F * d and we are given distance and work, the force on the grocery bag is 88 = F * 1.7 F = 88 / 1.7 = 51.765 N.

We also know that force follows the equation F = m * a. Since the constant gravitational acceleration on earth is 9.81 m / s^2, we can find the mass through 51.765 = m * 9.81 m = 51.765/9.81 = 5.277 kg

6 0
3 years ago
A stream of warm air with a dry-bulb temperature of 36°C and a wet-bulb temperature of 30°C is mixed adiabatically with a stream
rewona [7]

Answer:

Explanation:

  Given

T_1\left ( DBT\right )=36^{\circ}C

WBT=30^{\circ}C

m_1=8 kg/s

m_2=10 kg/s

Now total mass m_3=sum of m_1+m_2

m_3=8+10=18 kg/sec

Now from Steam table at DBT=36^{\circ}C & WBT=30^{\circ}C

\omega _1=0.025kg\kg of dry air

for saturated cool air at 12^{\circ}C

Humidity ratio \omega _2=0.0085 kg\kg of dry air

Now

m_1\omega _1+m_2\omega _2=m_3\omega _3

8\cdot 0.025+10\cdot 0.0085=18\cdot \omega _3

\omega _3=0.01585kg/kg of dry air

Now

m_1h_1+m_2h_2=m_3h_3

m_1C_pT_1+m_2C_pT_2=m_3C_pT_3

m_1T_1+m_2T_2=m_3T_3

8\cdot 36+10\cdot 12=18\cdot T_3

T_3=22.67^{\circ}C

From Psychometric chart

at t=22.67^{\circ}C & \omega _3=0.01585 kg/kg of dry air

relative humidity ratio \phi =0.89 or 89\%

6 0
3 years ago
A swimmer swims 1000 m in the pool in 8.6 minutes. What was the average speed of the swimmer in m/s?
lawyer [7]

Speed = (distance covered) / (time to cover the distance)

Speed = (1,000 meters / 8.6 minutes) x (1 minute / 60 seconds) = 1.94 m/s
                                                                                                       (rounded)
6 0
3 years ago
Read 2 more answers
Which statements about acceleration are true?
larisa86 [58]
C is the correct answer, hope it helps
5 0
4 years ago
Read 2 more answers
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