the Olympic flame at the 1992 Barcelona Olympic was lit by a flaming arrow shot from a point located 60 meter horizontally and 24 meter vertically from the flame. find the initial speed necessary for the arrow to reach the flame at the peak of its trajectory. ?

Your pendulum clock which advances 1.0 s for every complete oscillation of the pendulum is running perfectly on earth at a site where the magnitude of the acceleration due to gravity is 9.80 m/s2. you send the clock to a location on the moon where the magnitude of the acceleration due to gravity is 1.65 m/s2.

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?

When using the scientist method, which step comes last?