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alexdok [17]
3 years ago
8

Which of the following is not a way to make exercising on a cold day safer?

Physics
2 answers:
IRISSAK [1]3 years ago
4 0

Answer:

D.

Explanation:

I think its D. because Tea during a cold workout isnt safe at all. Drinking tea while working out adds weight and you just simply dont need tea when working out.. Hope this helps man :)

dsp733 years ago
4 0

C. You shouldn't exercise while drinking hot tea because you can spill it and burn yourself especially while on a treadmill.

If this helped please mark me as brainliest!

\left[\begin{array}{ccc}Thanks,\\JustSomeIdiot\end{array}\right]

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This is the point at which the question wants us to compare them ... 3 seconds.  The bike is moving at 15 m/s and the car has sped up to 12 m/s. <em>The bike is moving faster than the car.</em>

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3 years ago
A shovel pushes on dirt and the dirt pushes back on the shovel. The dirt pushing back is
Leno4ka [110]
The dirt pushing back is the 'resistance' force. It RESISTS your attempts to shovel it.
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3 years ago
There is a potential difference of 1.1 V between the ends of a 10 cm long graphite rod that has a cross-sectional area of 0.90 m
Serga [27]

Explanation:

It is given that,

Potential difference between the ends of a rod, V = 1.1 V

Length of the rod, l = 10 cm = 0.1 m

Area of cross section of the rod, A=0.9\ mm^2=9\times 10^{-7}\ m^2

The resistivity of graphite, \rho=7.5\times 10^{-6}\ \Omega-m

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R=\rho \dfrac{l}{A}

R=7.5\times 10^{-6}\times \dfrac{0.1}{9\times 10^{-7}}

R=0.833\ \Omega

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(b) Let I is the current flowing in the wire. It can be calculated using the Ohm's law as :

I=\dfrac{V}{R}

I=\dfrac{1.1\ V}{0.833\ \Omega}

I = 1.32 A

(c) Let E is the electric field inside the rod. The electric field in terms of potential difference is given by :

E=\dfrac{V}{l}

E=\dfrac{1.1\ V}{0.1\ m}

E = 11 V/m

Hence, this is the required solution.

8 0
3 years ago
Your job is to lift 30 kgkg crates a vertical distance of 0.90 mm from the ground onto the bed of a truck. For related problem-s
Gekata [30.6K]

Answer:

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time, t = 1 minute = 60 s

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