3 years ago

A minibus drives with a constant speed of 76 miles per hour. How can I travel in 4 hours?

Physics

1 answer:

nikdorinn [45]3 years ago

5 0

Answer:

304

Explanation:Answer:

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Suppose 2.10 C of positive charge is distributed evenly throughout a sphere of 1.30-cm radius. 1) What is the charge per unit vo

Anuta_ua [19.1K]

Answer:

$\rho=2.28\times 10^5\ C/m^3$

Explanation:

Given that,

Charge, Q = 2.1 C

The radius of sphere, r = 1.3 cm = 0.013 m

We need to find the charge per unit volume for this situation. It can be calculated a follows:

$\rho=\dfrac{Q}{\dfrac{4}{3}\pi r^3}\\\\\rho=\dfrac{2.1}{\dfrac{4}{3}\pi \times (0.013)^3}\\\\\rho=2.28\times 10^5\ C/m^3$

So, the charge per unit volume is $2.28\times 10^5\ C/m^3$ .

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2 years ago

which of the following described qualitative data? a. recording the temperature of a solid as it is warmed. b. noting the color

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Noting cloudiness occurs when two solutions are mixed.

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3 years ago

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Ek=8J m=100g V=? How much is V going to be? Explain step by step, please

Darya [45]

Answer:

Explanation:

If Ek is the kinetic energy and m is the mass and v is the velocity then v can be calculated as follows

Ek= 1/2 ×( m × v² )

2Ek= mv²

2Ek/m = v²

v =√(2Ek/m)

m = 0.1 kg

v= √(2x8/0.1)= 12.65 m/s

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3 years ago

A car is traveling at a speed of 45 km/h into town. It takes the car 2 hours to get there. How far has the car traveled?

hjlf

Answer:

90 km

Explanation:

45 km per hr

2 hrs

45 x 2 = 90

90 km/2 hrs

Hope this helps!

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The correct answer is rock cycle

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3 years ago