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Zolol [24]
3 years ago
11

An outside thermometer reads 57 F. What is this temperature in C ? Round you’re answer to the nearest whole number

Physics
2 answers:
ElenaW [278]3 years ago
5 0
It’d be 13.9*c, but if you’re rounding it’s 14*c
Marianna [84]3 years ago
4 0

14 degrees celsius hope this helps

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An amusement park designer wants his swing to have a centripetal acceleration of 24 m/s2. If the velocity of the swing is 11 m/s
viva [34]

Answer:

<u>radius</u><u> </u><u>is</u><u> </u><u>C</u><u>:</u><u> </u><u>5</u><u>.</u><u>0</u><u> </u><u>m</u>

Explanation:

formular for centripetal acceleration:

a =  \frac{ {V}^{2} }{r}

a is acceleration

V is velocity

r is radius

24 =  \frac{ {11}^{2} }{r}  \\  \\ r =  \frac{ {11}^{2} }{24}  \\  \\ r = 5.0 \: m

5 0
3 years ago
Read 2 more answers
How does density help scientists?
zimovet [89]
This quantity ρ is known as the density<span> , which is usually defined as the mass per unit volume: ρ = m/V. The volume units milliliter (mL) and cubic centimeter (cm</span>3<span>) are almost identical and are commonly used interchangeably. The general meaning of </span>density<span> is the amount of anything per unit volume.</span>
8 0
3 years ago
Read 2 more answers
. Maria walked 1.5 miles south to her house in 0.5 hours. What is her speed in miles per hour?
Simora [160]

1) 3 miles/Hour

The speed is defined as the distance covered divided by the time taken:

v=\frac{d}{t}

where

d = 1.5 mi is the distance

t = 0.5 h is the time taken

Substituting,

v=\frac{1.5}{0.5}=3 mi/h

2) 1.34 m/s south

Velocity, instead, is a vector, so it has both a magnitude and a direction. We have:

d=1.5 mi \cdot 1609 m/mi = 2414 m is the displacement in meters

t=0.5 h \cdot 3600 s/h =1800 s is the time taken in seconds

Substituting,

v=\frac{2414 m}{1800 s}=1.34 m/s

And the direction of the velocity is the same as the displacement, so it is south.

6 0
4 years ago
The Celsius temperature scale is based on which of the following
saw5 [17]
The boiling and freezing point of water. You know this because at 0degrees water freezes and at 100 degrees water boils
6 0
3 years ago
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A 6.00-mH solenoid is connected in series with a 5.0-μF capacitor and an AC source. The solenoid has internal resistance 3.0 Ω w
son4ous [18]

Answer:

5773.50269 Hz

23 A

Explanation:

L = Inductance = 6 mH

C = Capacitance = 5 μF

R = Resistance = 3 Ω

\epsilon = Maximum emf = 69 V

Resonant angular frequency is given by

\omega=\dfrac{1}{\sqrt{LC}}\\\Rightarrow \omega=\dfrac{1}{\sqrt{6\times 10^{-3}\times 5\times 10^{-6}}}\\\Rightarrow \omega=5773.50269\ Hz

The resonant angular frequency is 5773.50269 Hz

Current is given by

I=\dfrac{\epsilon}{R}\\\Rightarrow I=\dfrac{69}{3}\\\Rightarrow I=23\ A

The current amplitude at the resonant angular frequency is 23 A

7 0
3 years ago
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