Many battery-powered devices come with cords that allow them to be
plugged into electrical outlets. What change has to take place inside
the power cord in order for the device to function properly?

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?