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Aleks04 [339]
3 years ago
9

A ball is thrown upward from an initial height of 1.5m the ball reaches a height of 5m then falls to the ground . What Is the di

stance traveled by the ball?
Physics
1 answer:
jeka943 years ago
4 0

Answer:

The distance traveled by the ball is 8.5 m

Explanation:

Initial height of the ball, h₁ = 1.5 m above the ground

final height of the ball, h₂ = 5m

Upward distance = distance traveled by the ball from a height of 1.5m to 5m = 5m - 1.5m = 3.5 m

Downward distance = distance traveled by the ball from 5m height to the ground =5m - 0 = 5m

Total distance traveled = upward distance + downward distance

Total distance traveled = 3.5 m + 5m = 8.5 m

Therefore, the distance traveled by the ball is 8.5 m

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The magnitude of electric field is produced by the electrons at a certain distance.

E = kQ/r²

where: 
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Q = charge
r = distance
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Given are the following:
Q = </span><span>1.602 × 10^–19 C
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Substitue the given:
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8 0
3 years ago
Read 2 more answers
A transformer has 1000 turns in the primary coil and 100 turns in the secondary coil. If the primary coil is connected to a 120
alexdok [17]

Answer:

12 V, 0.5 A

Explanation:

For the Voltage,

Using,

Vs/Vp = Ns/Np.......................... Equation 1

Where Vs = Voltage in the secondary coil, Vp = Voltage in the primary coil, Ns = number of turn in the secondary coil, Np = number of turns in the primary coil.

Make Vs the subject of the equation

Vs = Vp(Ns/Np)........................ Equation 2

Given: Vp = 120 v, Np = 1000 turns, Ns = 100 turns

Substitute into equation 2

Vs = 120(100/1000)

Vs = 120×0.1

Vs = 12 v

For the current,

Using

Ns/Np = Ip/Is....................... Equation 3

Where Ip = current in the primary coil, Is = current in the secondary coil

make Is the subject of the equation

Is = Ip(Np/Ns).................. Equation 4

Given: Np = 1000 turns, Ns = 100 turns, Ip = 0.05 A

Substitute into equation 4

Is = 0.05(1000/100)

Is = 0.05×10

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Hence the voltage and the current in the secondary coil is 12 V, 0.5 A

4 0
3 years ago
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If a chemical reaction has a AH value of -125 kJ, it would be considered what?
egoroff_w [7]

exothermic

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2 years ago
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If you operate a 2.0 kilowatt for 2 hours how much energy do you use
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Answer:

4 kWh/day

Explanation:

hope this helps!

~mina-san

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Atoms with certain characteristics are radioactive. Which is least likely to be radioactive? O A. all atoms with an atomic numbe
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Answer:

The answer an be the option A.

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