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photoshop1234 [79]
3 years ago
7

A rubber balloon is rubbed with a PVC pipe and the rubber balloon becomes positively charged. Why is this? a) Because the rubber

balloon gained protons from the PVC pipe. b) Because the rubber balloon gained electrons from the PVC pipe. c) Because the rubber balloon lost protons to the PVC pipe. d) Because the rubber balloon lost electrons to the PVC pipe
Physics
1 answer:
pentagon [3]3 years ago
4 0

Answer:

d)

Explanation:

Electrons are lost or gained when the ballon is rubbed with a PVC. As the rubber ballon lost electrons, it will have more protons, hence the positive charge. (More protons than electrons in the ballon).

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A driver have to stop for a school bus when the red lights are flashing and there is no barrier between his/her vehicle and the bus.

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2 years ago
Please help with this, oh and bungee gum contains both the properties of rubber AND gum you see?
Sladkaya [172]
Can I still get 5 points bc u already figured it out
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3 years ago
Find the net force for <br> 10 N<br> 10 N<br> 25degree<br> 5N<br> 5N
icang [17]

Answer:

30n

Explanation:

7 0
3 years ago
a 1500.0 kg car is at rest on a level track. The driver gives the engine gas and the car begins to accelerate forward. The car m
padilas [110]

Acceleration of the car is 3.375 m/s² and the force of the car moving forward is 5062.5 N

Explanation:

  • Acceleration is the rate of change of velocity.
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Here, velocity changes from 0 to 27 m/s and time = 8

⇒ Acceleration = 27 - 0/8 = 27/8 = 3.375 m/s²

  • Force is calculated by the equation, F = Mass × Acceleration
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Here, mass of the car = 1500 kg and a = 3.375 m/s²

⇒ Force = 1500 × 3.375 = 5062.5 N

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In order for a living organism to sustain its life, it must be able to
maw [93]

Answer:

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Explanation:

7 0
2 years ago
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