Calculate the speed of raindrops hitting your face when they fall vertically at 19 m/s while you’re running horizontally at 15 m/s.

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

Select the three ways that the parallel-plate capacitor differs from a car battery.