If you exert 200 N of force to move a box 8 meters across the living room in 2
seconds, what is your power?
O
A. 1600 W
B. 400 W
O
C. 80,000 W
O
D. 800 W

answera compound;

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

b. preoperational

just took it

the speed of the cart after 3 seconds of low fan speed is ⇒ 54.0 cm/s.

the speed of the cart after 5 seconds of medium fan speed is ⇒ 120.0 cm/s.

the speed of the cart after 2 seconds of high fan speed is ⇒ 64.0 cm/s. 

just did the lab.