Physics, 02.11.2020 01:00 savag3jitt
Ch 14:42
On a perfect fall day, you are hovering at a low altitude in a hot-air balloon, accelerated neither
upward nor downward. The total weight of the balloon, including its load and the hot air in it, is
12000 N.
for the density of air)
What is the volume of the displaced air in units of m3? (Use 1.2
kg
m3
HINT: Use 9
10 to convert the weight of the ballon in N to a mass in kg.
Answers: 1
Physics, 21.06.2019 23:30, xxxamslashxxx9
If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)
Answers: 1
Physics, 22.06.2019 10:30, dontcareanyonemo
Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?
Answers: 1
Physics, 22.06.2019 17:00, cwibs
Adiver named jacques observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3.50 atm) to the surface (where the pressure is 1.00 atm). the temperature at the bottom is 4.00 ∘c, and the temperature at the surface is 23.0 ∘c. what is the ratio of the volume of the bubble as it reaches the surface (vs) to its volume at the bottom (vb)? if jaques were to hold his breath the air in his lungs would be kept at a constant temperature. would it be safe for jacques to hold his breath while ascending from the bottom of the lake to the surface?
Answers: 1
Ch 14:42
On a perfect fall day, you are hovering at a low altitude in a hot-air balloon, accelerate...