Two birds collide in midair. Before the collision, their combined momentum was 88 kg•m/s to the west. What is their combined momentum after the
collision?
A. 88 kg. m/s east
B. 88 kg•m/s down
C. 88 kg•m/s west
D. 88 kg•m/s north

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

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

b. preoperational

just took it