Anji

Anyoen have any ideas on how to do the final exam for the penn-foster course? There are 4 and I am at a total lost on where to start.. don't want you to do the work for me just need someone to send me into the right direction

A dolphin leaps out of the water at an angle of 35 degrees above the horizontal. The horizontal component of the dolphin's velocity is 7.7 m/s. Find the magnitude of the vertical component of the velocity

I have no idea how to start this problem. I don't want the answer just how to start.A supertanker (mass = 1.70x10^8kg) is moving with a constant velocity. Its engines genterate a forward thrust of 7.40x10^5N. Determine (a) magnitude of the resistive force...

A single electron orbits a lithium nucleus that contains three protons (+3e). The radius of the orbit is 1.76*10^-11m. Determine the kinetic energy of the electron.

already knew and done that so that is not much help......

2NaOH+ H2So4= NaSo4+2H2o 40.81