You've decided to protect your house by placing a 5.7-m-tall iron lightning rod next to the house. the top is sharpened to a point and the bottom is in good contact with the ground. from your research, you've learned that lightning bolts can carry up to 45 ka of current and last up to 50 μs. how much charge is delivered by a lightning bolt with these parameters?

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

What causes the formation of ocean currents?