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Under the action of constant force, a 2kg block moves such that its position x as a function of time is given by X=t^3/3 ,where x in meters and t in sec , the workdone by force in first 2 seconds isA 26.6 jB 3.3 jC 16 jD 32 jSolution) v=dx/dt=t^2,a=dv/dt=2t,f(t)=ma(t),w=∫f(t)*v(t) dt (from x=0 to x=2 sec)
As shown in the figure, the jet transport B is flying north with a velocity vB = 600 km/h when a smaller aircraft A passes underneath the transport headed in the 60 degree directio
what is dry ness fraction?
For a few of the following problems the constant acceleration is due to gravity and will be notated as a = g = 32 ft/sec 2 . 'g' perhaps positive or negative depending on the conte
TYPE OF DEFECTS AND THEIR SIGNIFICANCE Defects in weldments in general can be classified as follows: I. Defects involving inadequate bonding Lack of fusion Incom
If Fuel Consumption is High Causes of Problem Remedy Incorrect electrode gap of spark plug Worn out electrodes o
Determine the angular-velocity of uniform bar: A uniform bar of length l and mass M is hinged at its end B and is released from its horizontal position BA. Determine its angul
Question: The disk 3 shown in the figure rotates at a constant angular velocity ω 3 = 2.0 rad/s. A slider in a slot in the disk causes rod 2 to rotate. When the slider is
Evaluate total heat of steam: 10 kg of wet saturated steam at 15 bar pressure is superheated to the temperature of 290°C at constant pressure. Find heat needed and the total
Diesel Cycle - Thermodynamics: Diesel cycle is also called as the constant pressure cycle as all addition of heat takes place at constant pressure. The cycle of operation is s
Define density and specific volume. DENSITY (ρ) Density is illustrated as mass per unit volume; Density = mass/ volume; ρ = m/v, kg/m 3 P for Hg = 13.6 × 10 3 kg/m 3
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