Answer:
E; The object is negatively charged
Explanation:
Here, we want to state the conclusion that can be drawn from a positively charged rod being attracted to an object.
Generally as we know, oppositely charged materials attract while the ones with same charges repel each other.
Thus, in this case, for the rod to attract the object, there must have been an opposite charge of negativity on the object
So we conclude that the reason why the rod attracted the object was because of the presence of opposing charges on both of them. And since the rod has taken the positive charge, it is only correct to state that the object is negatively charged
Answer:
4-Exercising regularly and Eating foods that are high in substances that promote
brain health
Explanation:
Physical exercise increases neuroplasticity. Even as little as one 30-minute session of cycling can temporarily improve brain plasticity. And if you don't eat as well as you should, physical exercise helps to overcome the negative effects of a poor diet on brain plasticity.
Answer:
It has been learned in this lesson that the area bounded by the line and the axes of a velocity-time graph is equal to the displacement of an object during that particular time period. ... Once calculated, this area represents the displacement of the object.
Explanation:
Answer:
D.
Explanation:
Mass is conserved that means you can not change it, it is an absolute quantity.
Weight however is depanded on the mass of the planet that it is measured on it is by definition force that an object excerts downwards due to graity.
More gravity means more for.
Planet X has twice the mass of planet y so on planet X spaceship will have more weight.
Option D fits it.
Answer:
-25 m/s
Explanation:
Since the ball was caught at the same height, it has the same speed and opposite direction that it went up with.