How long will a speed boat cross a 2.o km lake with a speed of 40 km/hr

Which type of microscope would allow the viewer to see ribosomes inside a cell?

Which notation is used to represent an alpha particle? a. b. c. d.

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?