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VishalProfessional

Asked: 3 months agoIn: Mechanical Engineering

A helicopter is moving horizontally at 90 km.p.h. at a height of 200 m towards a target on the ground, which is intended to be shelled. Estimate the distance from the target, where the shell must be released in order to hit the target. Also find the velocity with which the shell hits the target and the direction of shell at the time of hitting the target.

A helicopter is moving horizontally at 90 km.p.h. at a height of 200 m towards a target on the ground, which is intended to be shelled. Estimate the distance from the target, where the shell must be released ...Read more

VishalProfessional

Asked: 3 months agoIn: Mechanical Engineering

The steel pipe AB has a 102-mm outer diameter and a 6-mm wall thickness. Knowing that arm CD is rigidly attached to the pipe, determine the principal stresses and die maximum shearing stress at point K.

The steel pipe AB has a 102-mm outer diameter and a 6-mm wall thickness. Knowing that arm CD is rigidly attached to the pipe, determine the principal stresses and die maximum shearing stress at point K.

VishalProfessional

Asked: 3 months agoIn: Mechanical Engineering

4. The ladder shown in Fig. below is 6 m long and is supported by a horizontal floor and a vertical wall. The coefficient of friction between the floor and the ladder is 0.25 and between the wall and the ladder is 0.4. The weight of the ladder is 200 N and may be considered as a concentrated load at G. The ladder supports a vertical load of 900 N at C which is at a distance of 1 m from B. Determine the least value of α at which the ladder may be placed without slipping. Determine the reaction at that stage.

4. The ladder shown in Fig. below is 6 m long and is supported by a horizontal floor and a vertical wall. The coefficient of friction between the floor and the ladder is 0.25 and between the wall ...Read more

VishalProfessional

Asked: 3 months agoIn: Mechanical Engineering

When a cyclist is riding west at 20 Km/hr, he feels it is raining at an angle of 450 with the vertical. When he rides at 15km/hr, he feels it is raining at an angle of 30° with the vertical. What is the velocity of the rain?

When a cyclist is riding west at 20 Km/hr, he feels it is raining at an angle of 450 with the vertical. When he rides at 15km/hr, he feels it is raining at an angle of 30° with ...Read more

VishalProfessional

Asked: 2 months agoIn: Mechanical Engineering

Determine the forces in all the members of the truss shown in Fig.32

VishalProfessional

Asked: 3 months agoIn: Mechanical Engineering

A system of connected flexible cable shown in Fig.3 is supporting two vertical forces 200 N and 250 N at points B and D. Determine the forces in various segments of the cable.

VishalProfessional

Asked: 3 months agoIn: Mechanical Engineering

A motorboat has to cross a river 1km wide and flow of water is 5km/hr. Assuming the boat moves with uniformv elocity of 15km/hr throughout, find the direction in which it should move to reach the other bank in the minimumt ime. Where and when it will reach the other bank? If the boat has to touch exactly the opposite bank, in whichd irection should it be set and how much time is required for it to reach opposite bank?

A motorboat has to cross a river 1km wide and flow of water is 5km/hr. Assuming the boat moves with uniformv elocity of 15km/hr throughout, find the direction in which it should move to reach the other bank ...Read more

Mazurek GravityPundit

Asked: 3 months agoIn: Mechanical Engineering

A cable loop of length 1.5 m is placed around a crate. Knowing that the mass of the crate is 300 kg, determine the tension in the cable for each of the arrangements shown.

VishalProfessional

Asked: 2 months agoIn: Mechanical Engineering

Find the moment of inertia of the lamina with a circular hole of 30 mm diameter about the axis AB as shown in Fig.21

VishalProfessional

Asked: 3 months agoIn: Mechanical Engineering

A ladder of length 4 m, weighing 200 N is placed against a vertical wall as shown in Fig.10. The coefficient of friction between the wall and the ladder is 0.2 and that between floor and the ladder is 0.3. The ladder, in addition to its own weight, has to support a man weighing 600 N at a distance of 3 m from A. Calculate the minimum horizontal force to be applied at A to prevent slipping.

A ladder of length 4 m, weighing 200 N is placed against a vertical wall as shown in Fig.10. The coefficient of friction between the wall and the ladder is 0.2 and that between floor and the ladder ...Read more

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The steel pipe AB has a 102-mm outer diameter and a 6-mm wall thickness. Knowing that arm CD is rigidly attached to the pipe, determine the principal stresses and die maximum shearing stress at point K.

When a cyclist is riding west at 20 Km/hr, he feels it is raining at an angle of 450 with the vertical. When he rides at 15km/hr, he feels it is raining at an angle of 30° with the vertical. What is the velocity of the rain?

Determine the forces in all the members of the truss shown in Fig.32

A system of connected flexible cable shown in Fig.3 is supporting two vertical forces 200 N and 250 N at points B and D. Determine the forces in various segments of the cable.

A cable loop of length 1.5 m is placed around a crate. Knowing that the mass of the crate is 300 kg, determine the tension in the cable for each of the arrangements shown.

Find the moment of inertia of the lamina with a circular hole of 30 mm diameter about the axis AB as shown in Fig.21

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