An egg is thrown horizontally off the top row bleachers at the Brickyard, which is 30 meters high, with a horizontal velocity of 7.5 m/s. How long
does it take to hit the ground?

Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?

Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?

What is the earliest point in the universe that we can observe? why can’t we see back further than this?