Find the mass of object K.E=1020 J Velocity=25 m/s
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- k = D10*(γw/μ)*(C*e3)/(1+e) Where does this formula come from, it is not one that I could find in our class notes. Also how was the dynamic velocity calculated?The position of a particle moving on the x-axis is given by the equation below. what is the velocity at t=3.5 sec x = 7.8+ 9.2t – 2.1t3 %3D2. Determine the moment of inertia of the area shown in the figure with respect to its centroidal axes. 400mm 200mm 600mm 200mm 200mm 500mm
- Rectilinear Motion: A particle is moving with an acceleration of a = (10t - 3) m/s^2 (t = seconds). %3D Determine its position after t = 10 minutes.A particle travels along a straight line with a velocity of v = (4t - 3t³) m/s, where t is in %3| seconds. Determine the position in meters ("+" if to the right of the fixed origin, "-" if otherwise) of the particle when t = 4 %3D seconds. s = 0 when t = 0. %3D %3DThe flight path of the particle as it takes off from A is defined by the parametric equations x = (212) m and y= (0.043) m, where t is the time in seconds. Determine the distance the particle is from point A when t = 15 s. O 429.27 m 469.81 m 924.72 m O964.18 m
- 2. A body rotates at an angular velocity of =D+4+4 (radians/second). What would be its a and @ after three seconds? HINT: a dw/dt like de w dt a= dvidt like dS v dtWhat is the fundamental frequency of the massless beam shown below, which is assumed to carry a mass of 3000 kg lumped at its centre? El = 50x106 Nm². Select one: a. 0.30 Hz b. 4.8 Hz c. 9.7 Hz d. 0.15 Hz 6 m 3000 kgA solid metal bar of uniform sectional area throughout its length hangs vertically from its upper end. Details of the bar are: Length - 6 m, material density = 8x10-5N/mm³ and E = 2 x 105 N/mm2. What will be the total elongation of the bar in mm? 288 48 (a) (b) 104 104 144 72 (c) 10 (d) 104
- A jet of 50mm in diameter in figure 4 moving with a velocity of 30m/s strikes a vane which is moving in the same direction as the jet with a velocity of18.28m/s . The deflection angle of the vane is 135°. Find a) the x and ycomponents of the force exerted by the jet on the vane.The angular velocity of the left disk is given as a function of time by wA = 4.7 + 0.16t rad/s. Through what angle in rad does the right disk turn from t = 0 to t = 4.7 s? 100 mm, 100 mm @B 200 mm 200 mmThe position of a particle moving along the x-axis is given by (X(t)=3t+2t^3 ). Find the acceleration a= 3+6t^2 ( m/sec2) 12 (m/sec2) 12 t ( m/ssec2) Object's mass is 15 kg is resting on a table. An external force ( 10 N) act with angle ( 30) on this object. Find the minimum force let it moving. ( g=10m/sec2) * 5 N 150 N 8.66 N