A golf ball leaving the tee has a kinetic energy of 110 J and a velocity of 70 m/s. what is the mass of the baa

sorry the mass of the ball

Kinetic Energy   K.E. = 1/2 mv^2   

KE = 1/2  m (70)^2

110 = 1/2 m 4900

m = 2(110)/4900 =  .04489 kg = 44.89 grams