Astudent on her way to school walks four blocks east, three blocks north, and another four blocks east, as shown in the diagram below.
&
less than the distance
school
BBMBB
O
the same as the distance
4 blocks
3 blocks
o
none of these
Hiame BE
4 blocks
O
greater than the distance
Compared to the distance she walks, the magnitude of her displacement from
home to school is

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

conservation of mass

mass before something happens = mass afterwards

305.7

explanation:

density =m/v

density =917/3.00

density = 305.

approximately = 305.7

in four significant figures

where is the