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Genrish500 [490]
4 years ago
10

What is the acceleration of an object with a 4500 g mass when there is a net force of 18 N on it?

Physics
1 answer:
garik1379 [7]4 years ago
7 0
Givens: m = 4.5 kg, F = 18 N
F = m x a => a = F/m = 18/4.5 = 4 N/kg
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The air in a hot-air balloon at 757 torr is heated from 17.0°c to 36.0°c. assuming that the moles of air and the pressure remain
evablogger [386]
Pv= nRT; n/V = p/rt; g/liter = moles/liters * 29.0g/mole
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4 years ago
A coil of wire has been wrapped into a circle of 100 times with a diameter of 2.0 m. The coil is placed in a magnetic field of 5
jek_recluse [69]

Answer:

1570 V

Explanation:

N = 100

diameter = 2 m

radius = 1 m

B = 5 tesla

initailly the angle between the area vector of the coil and the magnetic field is zero and then the angle becomes 180 degree.

t = 2 s

Let Φ be the initial magnetic flux.

Φ = B A Cos 0 = 5 x 3.14 x 1 x 1 x 1 = 15.7 Wb

Let Φ' be the final magnetic flux

Φ' = B A Cos 180 = - 5 x 3,14 x 1 x 1 x 1 = - 15.7 Wb

According to the law of electromagnetic induction, the induced emf developed is equal to the rate of change of magnetic flux linked with the coil.

e = -N\frac{d\phi }{dt}=\frac{\phi '-\phi }{t}

e =-100\frac{-15.7-15.7}{2}=1570 V

4 0
3 years ago
The Inner Galactic Plane Survey conducted with the Allen Telescope Array in northern California is an example of a
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Given our understanding of Galactic space searches and techniques, we can confirm that the Inner Galactic Plane Survey conducted with the Allen Telescope Array is an example of a targeted search.

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3 years ago
Find the volume of the irregular object a marble
Lostsunrise [7]

By using Displacement method we can find volume of irregular object like marble.

<h3>What is displacement method?</h3>

In displacement method,  

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Secondly We can use the physical balance to determine its mass.

Lastly , calculate the density by dividing the mass by the volume.

Procedure to find the Volume of irregular object i.e. marble

step 1 - Fill the graduated cylinder about half full and measure the initial volume of water.

step 2 - Drop the marble in the graduated cylinder.

step 3 -Now measure the final level of water.

Step 4 - Subtract both the values.

Here , comes the Volume of Irregular Object.

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