Which option identifies the question the class should ask first in the following scenario? A high school economics teacher asks a computer class to teach his students the basic functions of Microsoft Excel.

how many times a week his class meets
what functions the students need to know
what kind of laptops the students have
how many seniors are in the class

Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10