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A stone is thrown with a velocity (u) m/sec at an angle of $20^\circ$ with horizontal from a point 2 m above the ground. The stone strikes the ground 5 m away from the original position
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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For a vehicle moving along a straight line, v-t diagram is as shown in fig. below. Plot a-t and s-t diagrams for the given time period.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A fighter plane moving horizontally with a constant velocity of 200 m/sec releases a bomb from an altitude of 400 m.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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Find the angle the force P makes with horizontal such that the block of mass 4 kg has an acceleration of $10m/sec^2, $
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A particle travels on a circular path, whose distance travelled is defined by $S=(0.5t^3 + 3t)m.$ If the total acceleration is $10m/s^2,$ at t=2 sec, find it's radius of curvature.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A particle moves in a straight line with acceleration-time diagram as shown in figure
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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An object is projected so that it just clears two obstacles each of 7.5m height, which are situated 50m from each other. If the time passing between the obstacles is 2.5s
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A hot air balloon starts rising vertically up from the ground with an acceleration of $0.2 m/s^2$
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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For crank of concentric mechanism shown in fig. determine the instantaneous centre of rotation of connecting rod at position shown.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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The y coordinate of a particle is given by $y = 6t^3 -5t.$ If $a_x = 14t m/sec^2$ & $v_x = 4m$/sec at t = 0, determine the velocity & acceleration of particle when t=1 second.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A wheel is attached of the shaft of an electric motor of rested speed of 1740 RPM.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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Fig. Shows the v-t diagram for the motion of train as it moves from station A to station B. Draw a-t graph & find the average speed of the train & the distance between the stations
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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Two cars start towards each other from stop X & stop Y at 1:36 PM, the first car reaches stop Y, travelling 8 km path, at 1:44 PM. Second car reaches stop X at 1: 46PM.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A particle moves along a track which has a parabolic shape with a constant speed of 10m/sec. The curve is given by $y = 5 = 0.3x^2 .$
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A wheel of 2m diameter rolls without slipping on a flat surface. The center of the wheel is moving with a velocity 4m/s towards the right.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A particle is projected with an initial velocity of 2m/s along a straight line. The relation between acceleration and time is given in the diagram. Draw v-t and s-t diagram.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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Figure shows the crank and connecting rod mechanism. The crank AB rotates with an angular velocity of 2 rad/sec in clockwise direction.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A particle is projected from the top of a tower of height 50m with a velocity of 20m/sec at an angle 30 degrees to the horizontal. Determine
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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Acceleration of a particle moving along a straight line is represented by the relation $a = 30-4.5 x^2m/s^2.$ The starts with zero initial velocity at $X = 0. $
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A particle moves in a straight line with a velocity-time diagram shown in fig. If s= -25m at t=0, draw displacement-time & acceleration time diagrams for 0 to 24 sec.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A point moves along the path y= x2/ 3 with a constant speed of 8 m/s. what are the x & y components of the velocities when x=3. What is the acceleration of the point when x=3.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A gunman fires a bullet with a velocity of $100m/s, 50^\circ$ upwards from the top of a hill 300m high to hit a bird. The bullet misses its target & finally lands on the ground.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A sprinter in a 100m race accelerates uniformly for the first 35m & then runs with constant velocity. If the sprinter's time for first 35m is 5.4 sec, determine his time for the race.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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In asian games for 100 m event an athlete accelerates uniformly from the start to his maximum velocity in a distance of 4m & runs the remaining distance with that velocity.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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A ship A travels in the north making angle of 450 to the west with a velocity of 18 km/hr & ship B travels in the east with a velocity of 9 km/hr.
engineering mechanics updated 5.9 years ago by teamques10 ★ 70k
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