What is The magnitude of the electric field 63.50 cm Above a 0.00052 C charge

Acar is going 5m/s around a bend with a radius of 10m/s why is the accelerant?

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.