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Problem 1- The race car stars from rest at s = 0 and travels along a straight road. Its v-t graph is obtained as shown. The flat part of the graph is caused by shifting gears. Determine the acceleration, velocity, and position, i.e., a(t), v(t), s(t), of the race car as functions of time between 0 to 8 seconds.
Problem 2- A particle moves a long a straight line. It starts with an initial velocity of 2 m/s with a constant acceleration of 4 m/s2. Once its velocity reaches 6 m/s, it decelerates at a = - 1 .5v1/2 m/s2 until it stops. Determine how far the particle has traveled during the entire process, and the total time of travel.
the angular acceleration of a fan blade once the fan is turned on is found to be 15 t12 for the first five seconds. a
On the same stress-strain curve, using a dashed line, please construct the stress strain curve for the AA 2024 material that had been subjected to the 50% cold work. Explain the following: Why did you estimate the modulus to be as you drew it
A sailboat capsizes a large distance from shore. What might be done to 1) right the boat and 2) prevent this from occurring again? How would this be accomplished specifically?
a liquid food product is processed in a continuous flow sterilizer. the liquid enters the sterilizer at a temperature
why is the reynolds number for onest of turbulence given by re gt 2000 in fully flowing pipes and re gt 500 in partly
How many cycles of EM waves occur during the above passage, using 1.50 x 10 to the 23rd power Hz.
a cyclist is traveling at 8ms when she encounters a hill with 2 grade assume the elevation increases by 2 for every 100
a the vacancy formation energy in a particular metal is 0.5 ev. calculate the concentration of vacancies at 400 oc b
a 20 mm diameter shaft with a 6 mm diameter transverse hole is made of cold-drawn steel having ultimate strength 550
a rigid tank contains an ideal gas at 1227 c and 200 k pa. the gas is cooled until the gauge reads 50 k pa. if the
the traveling crane consists of a 5-m-long beam having a uniform mass per unit length of 20kg/m. The chain hoist and its supported load exert a force of 8 kN on the beam when x=2m. draw the shear and moment diagrams for the beam.
a 0.6-m-diameter hemispherical plexiglass bubble is to be used as a special window on the side of an above-ground
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