A 1,099 W toaster passes a 4.94 A current through a wire to generate heat. What is the resistance of the wire?

How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Isla’s change in velocity is 30 m/s, and hazel has the same change in velocity. which best explains why they would have different accelerations? isla had negative acceleration, and hazel had positive. isla had a different time than hazel. isla had positive acceleration, and hazel had negative. isla went a farther distance than hazel.