Answer:A brick is released with no initial speed from the roof of a building and strikes the ground in 2.50 s, encountering no ..
Answer:
10 seconds
Explanation:
because the cat is moving one m/s slower than the dog, the dog has a relative speed of 1 m/s. 10 meters would take 10 seconds for the dog to cover
Answer:

Explanation:
Given:

As we know that
Force=Mass * Acceleration
Putting the value of mass and Acceleration we get ,


Therefore Net force is :
Answer:
A wishing well is a term from European folklore to describe wells where it was thought that any spoken wish would be granted. The idea that a wish would be granted came from the notion that water housed deities or had been placed there as a gift from the gods.
Explanation:
sources=wikipedia
The answer is B: Electromagnet i hope this helps!!!