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By what percentage the range of projectile is increased if initial velocity is increased by 5%?
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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A particle moving in the positive direction has an acceleration a=100-4v2 m/s2. Determine, the time interval and displacement of a particle when speed changes from 1 m/s to 3 m/s.
engineering physics updated 4.9 years ago by teamques10 ★ 70k
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For the link and slider mechanism shown in figure, locate the instantaneous centre of rotation of link AB. Also find the angular velocity of link 'OA'. Take velocity of slider at B=2500 mm/sec.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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Two smooth balls collides as shown in figure. If mA= 1 kg, mB=2kg and e= 0.75 Find the velocities after impact.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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504
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Find moment of Inertia of the shaded are as shown in figure about its references x and y axls.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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A point moves along a curved path y=0.4x2, At x=2m its speed is 6 m/s increasing at 3 m/s2. At this instatnt find- (i) Velocity components along x and y direction. (ii) Its acceleration.
engineering physics updated 4.9 years ago by teamques10 ★ 70k
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A man in a balloon of 2 m/s relative to the balloon. After what time interval will the ball return to the balloon.
engineering physics updated 4.9 years ago by teamques10 ★ 70k
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A man in a balloon of 2 m/s relative to the balloon. After what time interval will the ball return to the balloon.
engineering physics updated 4.9 years ago by teamques10 ★ 70k
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A man in a balloon of 2 m/s relative to the balloon. After what time interval will the ball return to the balloon.
engineering physics updated 4.9 years ago by teamques10 ★ 70k
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628
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Force F=80i+50j-60k passes through a point A(6,2,6). Compute its moment about a point B(8,1,4).
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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A point moves along a path y=(x2/3) with a constant speed of 8 m/s. What are the x and y component of its velocity when x=3? What is the acceleration of the point at this instant?
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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Force F=(3j - 4j + 12k)N acts at point A(1, -2, 3). Find - (i) Moment of force about origin (ii) Moment of forces about point B(2,1,2)m
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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A stone is thrown vertically upwards and returns to the starting point at the ground in 6 sec. Find out max. height and initial velocity of stone.
engineering physics updated 4.9 years ago by teamques10 ★ 70k
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667
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State D' Alembert's principle with two examples.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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A curvilinear motion of a particle is defined by VX= 25 - 8t m/s and y=48 - 3t2m. At t=0, x=0, Find out position, velocity and acceleration at t=4 sec.
engineering physics updated 4.9 years ago by teamques10 ★ 70k
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647
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A ship A travels in the north making an angle of 45? to the West with a velocity of 18 km/hr and ship B travels in the East with a velocity of 9 km/hr. Find the relative velocity of B w.r.t. ship A.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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A force of 10 kN acts at a point P(2,3,5) m and has its line of action passing through Q(10,-3,4)m. Calculate moment of this force about a point S(1,-10,3)m.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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State and prove Lami's Theorem.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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670
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A point moves along the path y=x2/3 with a constant speed of 8m/s. What are the x and y component of the velocities when x=3. What is the acceleration of the point when x=3.
engineering physics updated 4.9 years ago by teamques10 ★ 70k
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A force of 1200N acts along PQ, P(4,5,-2) and Q(-3,1,6)m. calculate its moment about a point A(3,2,0)m
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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Expiain Angle of Friction, Angle of Repose and the relation between the two.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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A force of 100N acts at a point P(-2,3,5)m has its line of action passing through Q(10,3,4)m. Calculate moment of this force about origin (0,0,0).
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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649
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A truss is loaded as shown in the diagram given below. Determine: 1. Support Reactions 2. Forces on BC, BD by methods of sections. 3. Forces on AB, AE and BE by method of joints.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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Four concurrent forces act at a point as shown. Find their resultant.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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A rectangular parallelepiped carries three forces shown in figure. Reduce the force system to a resultant force applied at the origin and a moment around origin.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
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