(2 marks) The student suggests that the diameter of the hole depends on the height from which
the ball is dropped, because this affects the speed
Suggest two other variables on which the size of the hole may depend​

If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?

The average time that it takes for the car to travel the first 0.25m is s. the average time to travel just between 0.25 m and 0.50 m is s. given the time taken to travel the second 0.25 m section, the velocity would be m/s.

Provides most of the energy used in the world today. question 4 options: wind fossil fuel moving water sunlight