etch a schematic of a MOSFET-based single quadrant amplifier (aka the simplest motor driver) for a DC motor: a) Where one of the motor leads is connected to the positive side of the battery (or power supply) b) Where one of the motor leads is connected to the negative side of the battery (i. e., ground) c) Why is it preferable to use the configuration described in part (a) if controlling from the digital output of a microcontroller

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

Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.

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