4. A ball is thrown vertically upwards and reaches a height of 28.8 m. Ignoring air resistance and g= 10 ms-2 (i) what is the balls velocity at maximum height?

(ii) calculate the initial upward velocity

(ii) the time taken to return to the throwers hand.

Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.

Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?