During a thunderstorm, an observer notes that 10 s elapsed between the lightning flash and the sound of the thunder. what is the approximate distance, in miles, from the observer to the lightning? a. 10 mi b. 100 mi c. 50 mi d. 2 mi

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n