800kg herical Problems. (Take g = 10m/sand G = 6.67 * 10-11 Nm² kg 2 if required) A sphere of mass 40 kg is attracted by another sphere of mass 15 kg with a force of 9.8 x 10-7 N. Find the value of the universal gravitational constant if the centres of spheres are 20 cm apart.​

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

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?

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer