What kingdom (Plantae, Fungi, Animalia, or Protista) does each organism belong to? (no links)

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?