The pV diagram shown is for 7.50 moles of an ideal diatomic gas taken through a cycle from a to b
What will be an ideal response?
(a) 208°C (b) 4.00 kJ (c) 30.0 kJ, leaves the gas
(d) -30.0 kJ (e) 0.00 J
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The Physical Activity Guidelines for Americans specify that people need to spend at least _____ minutes performing moderate-intensity aerobic activity on five to seven days per week.
a. ?60 b. ?20? c. 30 d. 45? e. ?75
What type of star is our Sun?
A) low-mass star B) intermediate-mass star C) high-mass star D) brown dwarf
The change in wave motion produced by phase and amplitude relations of two or more waves is called a(n) ______________ effect
Fill in the blank(s) with correct word
A coil is wrapped with 300 turns of wire on the perimeter of a circular frame (radius = 8.0 cm). Each turn has the same area, equal to that of the frame. A uniform magnetic field is turned on perpendicular to the plane of the coil. This field changes at a constant rate from 20 to 80 mT in a time of 20 ms. What is the magnitude of the induced emf in the coil at the instant the magnetic field has a
magnitude of 50 mT? a. 24 V b. 18 V c. 15 V d. 10 V e. 30 V