If we monitor a point on a wire where there is a current for a certain time interval, which gives the charge that moves through the point in that interval?

a. the product of the current and the time interval
b. the ratio of the current to the time interval
c. the ratio of the time interval to the current

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?