Which statement best defines an electric field?
O A. force per unit charge on a negative source charge
B. force per unit charge on a negative test charge
OC. force per unit charge on a positive source charge
D. force per unit charge on a positive test charge

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating

How do the kidneys affect homeostasis