A10 g sample of aluminum and a 10 g sample of iron were each heated by 100 joules of energy. the temperature of the aluminum sample rose 11˚c, while the temperature of the iron sample increased 23˚c.

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?

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Which graph represents motion with an object with positive velocity that is located at a position of 3 meters at a time of 0 seconds? a) a b) bb eliminate c) c d) d