A ball is dropped from the roof of a ten story building. Each floor is 3.0 meters tall. The acceleration of gravity is 9.81 m/s^2. A. How fast is the ball falling as it passes between the eight and seventh floor?

B. How much time will pass while the ball travels from the ceiling of the 7th floor t the floor of the seventh floor?

C. What distance below the roof will the ball have fallen in 5 seconds?

explanation: magnetic pole, region at each end of a magnet where the external magnetic field is strongest. the south-seeking pole, or any pole similar to it, is called a south magnetic pole. unlike poles of different magnets attract each other; like poles repel each other.

no. dot product   =0 when vecs at right angles

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

answer and explanation;