A ball of clay is thrown at a wall at a velocity of 39.0 m/s. After it hits the wall, it takes 0.030 s to stop. What is the
acceleration of the clay when it hits the wall?

There are weak or strong attractive forces between atoms of liquids with a high viscosity

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

This is the substance(s) formed in a chemical reaction.