A 0.0025 -kg bullet traveling at a speed of 425m/s is fired into a stationary 0.215-kg block of a ballistic pendulum. How high does the combination rise above blocks initial position

Ineed with these 2 questions. you.

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will