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The member OA of the industrial robot telescopes and pivots about the fixed axis at point O At the instant shown, 6m/s2Determine the magnitudes of the velocity and acceleration of joint A of the robot. Also, sketch the velocity and acceleration of A and determine the angles which these vectors make with the positive x-axis. The base of the robot does not revolve about a vertical axis.
Estimate the power needed to overcome the aerodynamic drag of a person who runs at a rate of 100 yds in 10 s in still air. repeat the calculations if the race is run into a 20-mph headwind: a 20-mph tail wind.
Assume that Santa weighs 300 lbs, visits 10 houses an hour and requires a 20 foot lift at each house, what is the average power that the system will use if it is perfectly efficient
What is the percent removal of two particles with settling velocity of 0.001 and 0.002 m/s in the sedimentation basin is the basin is (i) a rectangular tank and (ii) an up flow clarifier?
material (LCY) in 12 yard dump trucks, placing it, and compacting the weight of the soil is 3,750 lb/cu.yd. (30 pts.) (show your calculations) a) Find the Swell and Shrinkage b) Load and Shrinkage Factors
A rectangular plata 5 ft by 4 ft is at an angle of 30 degrees with the horizontal, and the 5-ft side is horizontal. Find the magnitude of the force on one side of the plate and the depth of its center of pressure when the top edge is 1 ft below the w..
There are two ways to get from City One to City Three, (a) directly or (b) via City Two. Let A be the event that the road from City One to Three is open. Similarly, B is for City One to Two and C is for City Two to Three. If snow is forecast for the ..
If the plates remain in the oven until their average temperature rises to 1000°F, determine the rate of heat transfer to the plates in the furnace.
A passive dosimeter is to be designed for use in obtaining monthly average concentrations of atrazine in a stretch of river. Typical concentrations range from 10 to 50 g/L. Atrazine, a herbicide commonly found in runoff from agricultural lands.
Determine the forces on the beam and what force is needed at C to put the beam in equilibrium
A long trough is supported by a hinge along its lower edge and a series of horizontal cables attached to its upper edge. Determine the tension in each of the cables, at a time when the trough is full of water.
A 50-ohm electrical resistor carries a current of 5 amperes. The resistor is maintained at a temperature of 30o C. Determine the rate at which heat must be transferred to the surroundings
A closed tank having a volume of 1.0 ft3 is filled with 0.15 lb of a gas. A pressure gage attached to the tank reads 12 psi when the gas temperature is 80? F. There is some question as to whether the gas in the tank is oxygen or helium. Which do you ..
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