Components of the net force in newtons
A 0.15 kg particle moves along an x axis according x(t) = -13 + 2t + 4t2 - 3t3, with x in meters and t in seconds. Give an expression for the (a) x, (b) y and (c) z components of the net force (in Newtons) at time t.
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The roof will be a poured concrete slab, 4in thick. The design live load on the roof is 200lb/ft^2. Specify a suitable wide flange beam that will limit the stress in the beam to 22000 psi.
You accidentally poured salt into your large grind pepper shaker. This is the only pepper you have left and you need it to cook a meal, but you dont want the salt to be mixed in.
How high was the bridge? (Include any formulas/equations used, show your substitution into any formula/equation used, and show the answer resulting from your substitution into any formula/equation used.)
A current of 0.500 A is passed through an electrolytic cell containing molten MgCl2 for 2.00 h. Calculate the quantity of Mg metal formed at the cathode.
A steel wide flange beam W14 X 26 carries the load. Compute the maximum deflection between the supports and at each end. The beam is seperated into sections A,B,C,D,E.
An interference filter has an effective bandwidth of 10nm. Would it be feasible to employ such a filter to isolate the calcium emmission line at 422.7nm from the potassium emmission line at 404.4nm?
A projectile of mass 0.831 kg is shot straight up with an initial speed of 28.9 m/s. (a) How high would it go if there were no air resistance?
The braking machanism on an aircraft carrier can bring a 2 ton plane to a stop in a time of 1.8 seconds. The plane lands at 80 mph. Determine the force required and the decceleration rate.
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