61. A stone is projected horizontally from the top of a tower with a
speed of 10ms-1, it lands at a
horizontal distance of 20m from the
foot of the tower. Calculate the
height of the tower. (g=10ms-2)​

Ared apple is illuminated by a blue light the apple will appear

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

Convection occurs when thermal energy is transferred by the movement of