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3 years ago

7

Which term could be used to explain why someone could safely sit on a hot wooden bench but not a hot metal bench? A. Radiation B

. Specific heat capacity C. Convection D. Kelvin

2 answers:

PilotLPTM [1.2K]3 years ago

5 0

B. specific heat capacity
hope this helps

Tasya [4]3 years ago

4 0

B. That’s the correct answer

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The time constant of an RC circuit is 2.7 s. How much time t is required for the capacitor (uncharged initially) to gain 0.63 of

gayaneshka [121]

Answer:

2.7s

Explanation:

The solution of time required is shown below:-

In the RC circuit condenser charge 63 percent of the full charge from initial time to constant time

Now, the

63% that is equal to 0.63 which is full equilibrium charge

Therefore, the time required to maintain will be Equal to time (t) constant that is 2.7s

So, the correct answer is 2.7s

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3 years ago

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tangare [24]

Currently, many researchers are still working to find them.

Currently , its only theorized and they should be based on the quantum and particle theory

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3 years ago

How long will it take you to swim 100 meters if you swim at a speed of 12.5 m/s?

saul85 [17]

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3 years ago

In a laundromat, during the spin-dry cycle of a washer, the rotating tub goes from rest to its maximum angular speed of 2.2 rev/

Hunter-Best [27]

Answer:

$n_{T} = 31.68\,rev$

Explanation:

The angular acceleration is:

$\ddot n_{1} = \frac{2.2\,\frac{rev}{s} -0\,\frac{rev}{s} }{8.8\,s}$

$\ddot n_{1} = 0.25\,\frac{rev}{s^{2}}$

And the angular deceleration is:

$\ddot n_{2} = \frac{0\,\frac{rev}{s}-2.2\,\frac{rev}{s} }{20\,s}$

$\ddot n_{2} = -0.11\,\frac{rev}{s^{2}}$

The total number of revolutions is:

$n_{T} = n_{1} + n_{2}$

$n_{T} = \frac{\left(2.2\,\frac{rev}{s} \right)^{2}-\left(0\,\frac{rev}{s} \right)^{2}}{2\cdot \left(0.25\,\frac{rev}{s^{2}} \right)} + \frac{\left(0\,\frac{rev}{s} \right)^{2}-\left(2.2\,\frac{rev}{s} \right)^{2}}{2\cdot \left(-0.11\,\frac{rev}{s^{2}} \right)}$

$n_{T} = 31.68\,rev$

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4 years ago

What is the path of a projectile called? Friction Track Trajectory acceleration

sergiy2304 [10]

It is trajectory acceleration. A friction track is a device to study motion in low friction environments, I believe. Does this help?

3 0

4 years ago

Read 2 more answers