Aboy throws a football horizontally from a window that is 2.8 m above the ground. if he throws the ball with a speed of 12 m/s, how far from the window does the ball land? a. 11.2 m b. 0.23 m c. 9.1 m d. 4.3 m

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?