Aweightlifter does 450 j of work on a barbell in 3 s. how much power is the weightlifter generating?

Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

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?