Abasketball player achieves a hang time of 1.11 s in dunking the ball. what vertical height will he attain? the acceleration of gravity is 9.8 m/s 2 . answer in units of m.

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

Jaylen is a championship runner of the school's track team. during one of his trials, his speed was measured at 15.1 m/s. find jaylen's kinetic energy during that trial if his mass is 54.6 kg.

Hi , i am new here can anyone me out with this question why is space black after having so many shining objects like sun , moon , stars