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neonofarm [45]
3 years ago
14

Charge of uniform density 50 is distributed throughout the inside of a long nonconducting cylindrical rod (radius = 5.0 cm). Det

ermine the magnitude of the potential difference of point A (2.0 cm from the axis of the rod) and point B (4.0 cm from the axis).

Physics
1 answer:
Brums [2.3K]3 years ago
5 0

Answer and Explanation:

The answer is attached below

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A relief airplane is delivering a food package to a group of people stranded on a very small island. The island is too small for
strojnjashka [21]

speed of the plane is given as

v = 442 km/h = 122.8 m/s

height of the plane is

h = 575 m

acceleration due to gravity is

g = 9.80 m/s^2

part a)

when package is dropped its vertical speed is zero so we can use kinematics to find the time of drop

\delta y = v_y * t + \frac{1}{2}gt^2

575 = 0 + \frac{1}{2}*9.80*t^2

t = 10.83 s

Part b)

Horizontal distance moved by the package is given by

\delta x = v_x * t

\delta x = 122.8 * 10.83

\delta x = 1330.3 m

Part c)

final speed in x direction

v_x = 122.8 m/s

final speed in y direction

v_y = 9.8*10.83 = 106.13 m/s

so net speed as it hit the ground will be

v = \sqrt{v_y^2 + v_x^2}

v = \sqrt{122.8^2 + 106.13^2}

v = 162.3 m/s


5 0
3 years ago
What should you do if someone faints?
densk [106]
Lie them on their back, check breathing, lift legs above head, remove right clothing. if they aren’t breathing start CPR and call 911
4 0
3 years ago
Write down the equation that links energy transferred, charge flow, and<br> potential difference.
laiz [17]

Answer:

The description of the given scenario is described in the explanation segment below.

Explanation:

  • As a charge passes through some kind of potential gap, the electrical task is undertaken as well as energy will be transferred.
  • The Potential difference seems to be an amount of work performed per unit charge and is denoted by "V" as well as a charge is denoted by "Q".

<u>The energy transferred could be determined by using the following equation or formula:</u>

   ⇒  Energy transferred = charge × potential difference

6 0
3 years ago
Calculate the electrical energy expended in a device across which the circuit voltage drops by 50 volts in moving a charge of 6
solmaris [256]
1 volt = 1 joule per coulomb 50 volts = 50 joules per coulomb 50 joules/coulomb times 6 coulombs = 300 joules
5 0
4 years ago
Read 2 more answers
Calculate the amount of hcn that gives the lethal dose in a small laboratory room measuring 14 × 15 × 8.0ft. the density of air
vova2212 [387]
Since we are given the density and volume, then perhaps we can determine the amount in terms of the mass. All we have to do is find the volume in terms of cm³ so that it will cancel out with the cm³ in the density. The conversion is 1 ft = 30.48 cm. The solution is as follows:

V = (14 ft)(15 ft)(8 ft)(30.48 cm/1 ft)³ = 0.0593 cm³

The mass is equal to:
Mass = (0.00118g/cm³)(0.0593 cm³)
Mass = 7 grams of HCN
7 0
3 years ago
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