Arace car has a mass of 710 kg. it starts from rest and travels 40.0 m in 3.0 s. the car is uniformly accelerated during the entire time. what is the net force exerted on it?

An object's buoyant force and weight mean the same thing.a. trueb. false

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j

Need only answer if you think you know it