Using planck’s constant as h = 6.63 e-34 j*s, what is the wavelength of a proton with a speed of 5.00 e6 m/s? the mass of a proton is 1.66 e-27 kg. remember to identify your data, show your work, and report the answer using the correct number of significant digits and units.

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?