Apendulum has 576 j of potential energy at the highest point of its swing. how much kinetic energy will it have at the bottom of its swing?

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?

What can you increase the strength of an electromagnet by

Which of the following best describes the circuit shown below?