A flat circular coil 16 turns, each of diameter 20 cm, is in a uniform and steady 0.13-T magnetic field. a) Find the total magnetic flux through the coil when the field is perpendicular to the plane of the coil. A) 0.13 T middot m^2 B) 0.032 T middot m^2 C) 0.00032 T middot m^2 D) 0.065 T middot m^2 E) 0.00065 T middot m^2 If the coil is rotated in 10 ms so its plane is parallel to the field, find the average induced e in the coil. A) 6500 V B) 6.5 V C) 13000 V D) 13 V E) 3.2 V

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm

Astronomers studying the planet of rhombus have detected sedimentary rock on its surface. one astronomer wonders if material in this sedimentary rock used to be in igneous rock deep in rhombus’s interior. can igneous rock become sedimentary rock? explain your answer.