Bookmark Munoz Gands, Daniel & Scha 68 Common Un Assessment of 11 A scientist is investigating which type of medicine would dissolve faster, a solid pill or a scoop of powder. Which hypothesis should the scientist develop given prior knowledge about surface area? A Powders have more surface area and will dissolve faster. 8. Solid pills have less surface area and will not dissolve. C Powders have less surface area and will dissolve faster. D. Solid pills have more surface area and will take longer to dissolve.​

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

-4 on

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.