A very flexible helium-filled balloon is released from the ground into the air at 20. ∘c. The initial volume of the balloon is 5. 00 l, and the pressure is 760. Mmhg. The balloon ascends to an altitude of 20 km, where the pressure is 76. 0 mmhg and the temperature is −50. ∘c. What is the new volume, v2, of the balloon in liters, assuming it doesn't break or leak?.

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct

A24-n net force acts on a 8-kg rock. what is the acceleration of the rock?

Victor is concerned about his constant impulsive tendencies. he thinks something must be wrong with him. what is a healthy action victor could take? take some of his friend's add medication to see if it . follow what his friend tells him he needs to do to solve his feelings. listen to a mental health professional who can guide him through his troubles. diagnose himself and take some natural supplements.