HELLO OVER HERE HELP NEEDED THANK YOU
Define the resultant of a force of 4 N and a force of 8 N acting on the same point on an object If:
a) the forces act in the same direction in the same straight line.

b) the forces act in opposite directions but in the same straight line.

Aproton is projected toward a fixed nucleus of charge +ze with velocity vo. initially the two particles are very far apart. when the proton is a distance r from the nucleus its velocity has decreased to 1/2vo. how far from the nucleus will the proton be when its velocity has dropped to 1/4vo?

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit: