1. Suppose if you are throwing a ball horizontally from the top of the building with an initial speed of 20m/s, the ball touches the ground after covering a distance of 80m. Assume the
Vajue
me of the acceleration due to the gravity is 10m/s?​

h = 80 m???

Explanation:

Are you asking how tall the building is?

Time of flight is found looking at the horizontal distance and velocity.

t = d/v = 80/20 = 4 s

Freefall distance from rest in 4 seconds is

h = ½gt² = ½(10)4² = 80 m

grav forces affect all objects magnetic forces affect magnetic objects and electric currents

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it