A quarterback throws a football down the field to the receiver. What type (s) of energy does the football possess? Check all that apply. chemical electrical kinetic mechanical potential

Why is acceleration independant of mass?

Four beats per second are heard when an unknown tuning fork and a 240 Hz tuning fork are struck simultaneously. This same unknown tuning fork and a 250 Hz tuning fork are struck. Six beats are heard. Its exact frequency?

A net force of 30 N gives a stone an acceleration of 5 m/s. Calculate the mass of the stone

A cheetah has an acceleration rate of 5.80 m/s2. What is the cheetah's final velocity after 7.80 seconds, if initially, his velocity is 3.50 m/s?

Why does the total amount of energy before and after any energy transformations remain the same?

A rock is dropped from the surface into a pit. It hits the bottom of the pit in 5.0 seconds. A second rock is then dropped into a second pit, where it hits the bottom in 10 seconds.

A group of humans traveling in space discover a habitable planet. They settle down there and start populating it. Their population grows at a steady rate and doubles every 10 years.

A bird can fly 25 km/h how long does it take to fly 3.5km

A clam of mass 0.12 kg dropped by a seagull takes 3.0 s to hit the ground. [Neglect friction.] What is the velocity of the clam when it strikes the ground? [Show all work, including the equation and substitution with units.]

What could cause a physical change in a bar of steel