Recent content by Dave Johnson

yap cheers

d = vt + (1/2)at2?

Yap that why i said its hard to solve this question without radius.

the formula for acceleration due to gravity is g = G*M/R^2. R is the radius

I see... But i can't seem to find any formula without any given radius.

Homework Statement A Gak it a type of alien that lives on a planet in another galaxy. One day a Gak decides to find out a little more about his planet. He drops a ball (it starts at rest) with a mass of 4.88 kg and notes that it takes 0.712 s to fall a distance of 4.04 m. What is the...

Homework Statement Q1: A power plant produces energy at a voltage of Vi = 18667 V. Before being sent along long distance power lines this electricity is sent through a transformer with 143 turns in the primary coil and 8971 turns in the secondary coil. Voltage is calculated to be...