The potential energy of a spring having a spring constant k stretched an amount x is

Required handwritten answer, Please be sure . Don't provide wrong answer. 1)An engine produces 238 hp at 5872 rpm. If the tractive force of the vehicle produces is 40 lbf, calculate the torque that the engine produces, in ft-lbf, when the vehicle is at constant speed.

Where did you get the 3 from for the distance of q?

What is an inflection point?

Solve it Properly and with right answer.

Please answer part c and e onwards with working out and answer and please label the parts as you have answered a,b,d

What is the degree of freedom of the two questions

I tried the degree both 51 and 50.99 but it is incorrect. Plz help.

You are given a metal rod, cut to a length of 12 in plus/minus .25in. Then you need to cut off 2 in with an accuracy of plus/minus .25 tolerance. You end up with a 10 in rod but what is the tolerance? (hint: rely on the basic principle of tolerance

Question 6 a) The bore of each cylinder in a six-cylinder car engine is 45 mm and the stroke for each piston is 125 mm. calculate the cubic capacity of the engine in cubic centimetres (cm³); and calculate the clearance volume per cylinder for a compression ratio, r, of 8.75. b) The bore of each cylinder in a four-cylinder four-stroke internal combustion engine is 38 mm and the stroke of each piston is 165 mm. During testing, the engine runs at 180 revolutions per minute (rpm) with a pressure-volume indicator diagram showing a mean net area of 3.4 cm² and a diagram length of 1.2 cm. The pressure scale on the indictor diagram is set to 150 kN/m² per cm. Calculate the mean effective pressure (m.e.p) and the indicated power developed by this four-cylinder four-stroke engine. c) Figure Q6c shows a pulley system with a suspended load w of 2000 N. Calculate the following: (i) (ii) (iii) (iv) The effort force (FEffort) necessary to lift and hold a load of 2000 N. The ideal mechanical advantage…