Answer: Electrostatic force of attraction
Explanation: Electrostatic force of attraction is the force of attraction or repulsion between two electrically charged particles at rest. Like charges repel and unlike charges attract each other.
If a coin is dropped at a relatively low altitude, it's acceleration remains constant. However, if the coin is dropped at a very high altitude, air resistance will have a significant effect. The initial acceleration of the coin will be the greatest. As it falls down, air resistance will counteract the weight of the coin. So, the acceleration will decrease. Although the acceleration decreases, the coin still accelerates, that is why it falls faster. When the air resistance fully counters the weight of the coin, the acceleration will become zero and the coin will fall at a constant speed (terminal velocity). So, the answer should be, The acceleration decreases until it reaches 0. The closest answer is.
a. The acceleration decreases.
Answer:
B. its consist of waves of varying lengtu
Answer:
An arrow represents displacement. Because it's a vector quantity.
Vector quantity= Direction+Magnitude
When an arrow is put above a unit like
it means that it's a vector quantity.
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It's actually Because the the friction between wood and sandpaper moves so fast it can actually warm up so hot and diesel can start. for example a rock and another rock. the friction causes sparks and heat