a boy runs from his house to school at speed 5m/s on a straight road and returns with speed of 10m/s. The distance between the house and school is 100m. Find his average velocity with explaination please

Dalton’s model of an atom is the best described as a) a solar system b) a solid sphere c) a cloud d) a scoop of chocolate chip ice cream

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?