The forces acting on a child sitting in a seat are described by the free-body diagram shown.
What is the net force acting on the child?
8
X -100 N
ON
Fx = 100 N
D100 N
C200 N
F, = -100 N

50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

Hydrogen and helium are both members of?