What is the effect of raising the temperature of a system at equilibrium?

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j