Lucy and her friend are working at an assembly plant making wooden toy giraffes. At the end of
the line, the giraffes go horizontally off the edge of
a conveyor belt and fall into a box below. If the box
is 0.60 m below the level of the conveyor belt and
0.40 m away from it, what must be the horizontal
velocity of giraffes as they leave the conveyor belt?

Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?

Why is metal often used for cooking pan?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?