A friend claims that throwing a baseball up towards the school roof
illustrates gravitational...
Physics, 05.05.2020 03:09 noah12345678
A friend claims that throwing a baseball up towards the school roof
illustrates gravitational potential energy transforming into kinetic energy.
What is wrong with your friend's statement?
A. Gravitational potential energy transforms into kinetic
energy when an object falls.
B. Gravitational potential energy transforms into electric
potential energy when an object falls.
C. Gravitational potential energy transforms into elastic
potential energy when an object falls.
D. Gravitational potential energy transforms into chemical
potential energy when an object falls.
Answers: 3
Physics, 22.06.2019 13:40
Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?
Answers: 1
Physics, 22.06.2019 22:10
Astep up transformer has 250 turns on its primary and 500 turns on it secondary. when the primary is connected to a 200 v and the secondary is connected to a floodlight that draws 5a, what is the power output? show all of your work.
Answers: 1
Physics, 22.06.2019 22:20
A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.
Answers: 1
Physics, 23.06.2019 02:00
Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?
Answers: 3
Mathematics, 02.10.2020 18:01
Arts, 02.10.2020 18:01
History, 02.10.2020 18:01
Mathematics, 02.10.2020 18:01
History, 02.10.2020 18:01
Mathematics, 02.10.2020 18:01
Mathematics, 02.10.2020 18:01
History, 02.10.2020 18:01
Geography, 02.10.2020 18:01
Physics, 02.10.2020 18:01
Mathematics, 02.10.2020 18:01
Mathematics, 02.10.2020 18:01