Katie practiced the fuute for 45 minutes then she ate a snack for 15 minutes. next, she watched television for 30 minutes, until 6: 00 p. m.at what time did katie start practicting the flute?

Write maxwell's equations and discuss the terms involved and the results of each equation in classical electrodynamics. if it is possible to write these equations in integral form, give the integral forms. find the wave equation for electromagnetic waves from the maxwell equations. what is the propagation velocity of electromagnetic waves in space according to the wave equation you find?

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied