Vienodo dydžio švininis ir medinis rutuliukai yra tame pačiame aukštyje. Ar vienodos jų potencinės energijos? Atsakymą pagrįskite. Traktorius traukia plūgą 2000 N jėga. Apskaičiuokite jo atliktą darbą, nuvažiavus 0,3 km kelią.

Per 40 s atliktas 2 kJ darbas. Kokia galia pasiekta?

This is Lithuanian
I need answers :>

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?

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

Which of the following list the divisions of the geologic time scale in order from longest to shortest