Respuesta :
The temperature outside red rubber dodge ball filled with compressed air is -21.86⁰C.
New temperature of the compressed air
The new temperature of the compressed air is determined from Charles's law as shown below;
V1/T1 = V2/T2
T2 = (T1V2)/V1
where;
T1 = 20 + 273 = 293K
T2 = (293 x 3)/3.5
T2 = 251.14K = -21.86⁰C
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