3 years ago

How would you find the average speed of a cyclist throughout an entire race

1 answer:

8 0

Speed = distance / time
If you input your numbers into this equation you will be able to find the cyclists average speed

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To fill the medication prescription, what information must the pharmacy technician need to obtain? A. The name of the medication

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2 years ago

Remains of ancient life are most often preserved through which process?

ki77a [65]

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3 years ago

0.042 kg … ________________grams

olchik [2.2K]

Answer:

42 grams

Explanation:

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2 years ago

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a sealed cylinder contains a sample of ideal gas at a pressure of 2.0 atm. The rms speed of the molecules is v0. If the rms spee

fredd [130]

Answer:

P_2 = 1.62 atm

Explanation:

We know the formula for the rms speed of the ideal gas is given by

$v_{rsm}=\sqrt{\frac{3PV}{m} }$

P= pressure of the surrounding

V= volume of the vessel

m= mass of the gas

Now, From this formula rms speed (v_rms) is directly proportional to square root is pressure.

Then

$\frac{v_{rsm,1}}{v_{rsm,2}} =\sqrt{\frac{P_1}{P_2} }$

given that v_rsm,1= v0

and v_rsm,2=0.9v0

putting these values we get

$\frac{v0}{0.9v0} =\sqrt{\frac{2}{P_2} }$

P_2 = 1.62 atm

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3 years ago

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A thin wire of length (2 m) and (1 mm2 ) cross-section area is clamped horizontally between two walls, a weight of (10 kg) is hu

allsm [11]

Answer:

Young modulus = 9.8 × 10⁹ N/m²

Explanation:

From the information given:

Stress = F/A

Stress = (10 × 9.8) / 0.001²

Stress = 9.8× 10⁷ N/m²

Strain = increase in length / initial length of wire

Strain = 0.02/ 2

Strain = 0.01

Now;

The Young modulus (Y)= stress/strain

Young modulus = (9.8 × 10⁷ N/m²) / 0.01

Young modulus = 9.8 × 10⁹ N/m²

4 0

2 years ago