Katie blows up a balloon and ties it so there is a fixed amount of air in the balloon. Immersive Reader She wraps a piece of string around the widest part of the balloon, and measures it to find the size of the balloon. She has access to:
- A freezer
- A warm cupboard
- A cold refrigerator
- A normal temperature classroom.
How does the temperature affect the size of a blown up balloon?

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16. a brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 n on him. the mass of the losing player plus equipment is 90.0 kg, and he is accelerating at 1.20m/s2 size 12{1 "." "20"" m/s" rsup { size 8{2} } } {} backward. (a) what is the force of friction between the losing player’s feet and the grass? (b) what force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg? (c) draw a sketch of the situation showing the system of interest used to solve each part. for this situation, draw a free-body diagram and write the net force equation.