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Page 86
May 6, 2024
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A solid cylinder of mass 3.0 kg and radius 1.0 m is rotating about its axis with a speed of 40 rad s^-1. Calculate the torque which must be applied to bring it to rest in 10s. What would be the power required?

FOR ANSWERS KINDLY CONTACT US ON OUR WHATSAPP NUMBER 9009368238 सभी प्रश्नों के उत्तर जानने के लिए नीचे दिए व्हाट्सएप आइकॉन पर क्लिक करें | 1. A box of mass 50 kg is placed on an inclined plane. When the angle of the plane is increased to 30º, the box begins to slide downwards. Calculate […]

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May 6, 2024
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The position vector of two particles of mass 4.0 kg and 2.0 kg are, respectively, r⃗1 = 2t^2î + tĵ + 3k̂ and r⃗2 = 4tî – ĵ + 3t^2k̂ where t is in seconds and the position in metres. Determine the position vector of the centre of mass of the system, the velocity of the cm and the net force acting on the system.

FOR ANSWERS KINDLY CONTACT US ON OUR WHATSAPP NUMBER 9009368238 सभी प्रश्नों के उत्तर जानने के लिए नीचे दिए व्हाट्सएप आइकॉन पर क्लिक करें | 1. A box of mass 50 kg is placed on an inclined plane. When the angle of the plane is increased to 30º, the box begins to slide downwards. Calculate […]

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May 6, 2024
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An insect of mass 20 g crawls from the centre to the outside edge of a rotating disc of mass 200g and radius 20 cm. The disk was initially rotating at 22.0 rads^-1. What will be its final angular velocity? What is the change in the kinetic energy of the system?

FOR ANSWERS KINDLY CONTACT US ON OUR WHATSAPP NUMBER 9009368238 सभी प्रश्नों के उत्तर जानने के लिए नीचे दिए व्हाट्सएप आइकॉन पर क्लिक करें | 1. A box of mass 50 kg is placed on an inclined plane. When the angle of the plane is increased to 30º, the box begins to slide downwards. Calculate […]

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May 6, 2024
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An automobile travelling at 80 km hr^-1 has tyres of radius 80 cm. On applying brakes, the car is brought to a stop in 30 complete turns of the tyres. What is the magnitude of the angular acceleration of the wheels? How far does the car move while the brakes are applied?

FOR ANSWERS KINDLY CONTACT US ON OUR WHATSAPP NUMBER 9009368238 सभी प्रश्नों के उत्तर जानने के लिए नीचे दिए व्हाट्सएप आइकॉन पर क्लिक करें | 1. A box of mass 50 kg is placed on an inclined plane. When the angle of the plane is increased to 30º, the box begins to slide downwards. Calculate […]

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May 6, 2024
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A truck of mass 2000 kg moving on a highway experiences an average frictional force of 800 N. If its speed increases from 25 ms^-1 to 35 ms^-1 over a distance of 500 m, what is the force generated by the truck.

FOR ANSWERS KINDLY CONTACT US ON OUR WHATSAPP NUMBER 9009368238 सभी प्रश्नों के उत्तर जानने के लिए नीचे दिए व्हाट्सएप आइकॉन पर क्लिक करें | 1. A box of mass 50 kg is placed on an inclined plane. When the angle of the plane is increased to 30º, the box begins to slide downwards. Calculate […]

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May 5, 2024
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A bullet of mass 20 g, travelling at a speed of 350 ms^-1, strikes a steel plate at an angle of 30º with the plane of the plate. It ricochets off at the same angle, at a speed of 320 ms^-1. What is the magnitude of the impulse that the steel plate gives to the bullet? If the collision with the plate takes place over a time Δt = 10^-3 s, what is the average force exerted by the plate on the bullet?

FOR ANSWERS KINDLY CONTACT US ON OUR WHATSAPP NUMBER 9009368238 सभी प्रश्नों के उत्तर जानने के लिए नीचे दिए व्हाट्सएप आइकॉन पर क्लिक करें | 1. A box of mass 50 kg is placed on an inclined plane. When the angle of the plane is increased to 30º, the box begins to slide downwards. Calculate […]

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May 5, 2024
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A box of mass 50 kg is placed on an inclined plane. When the angle of the plane is increased to 30º, the box begins to slide downwards. Calculate the coefficient of static friction between the plane and the box. Draw the free body diagram.

FOR ANSWERS KINDLY CONTACT US ON OUR WHATSAPP NUMBER 9009368238 सभी प्रश्नों के उत्तर जानने के लिए नीचे दिए व्हाट्सएप आइकॉन पर क्लिक करें | 1. A box of mass 50 kg is placed on an inclined plane. When the angle of the plane is increased to 30º, the box begins to slide downwards. Calculate […]

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May 1, 2024
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Write short notes on any five in about 100 words. a) Converse fallacy of accident b) Multi-valued logic c) Categorical Syllogism d) Inductive reasoning e) Modus Ponens f) Dilemma g) Enthymeme h) Logic

FOR ANSWERS KINDLY CONTACT US ON OUR WHATSAPP NUMBER 9009368238 सभी प्रश्नों के उत्तर जानने के लिए नीचे दिए व्हाट्सएप आइकॉन पर क्लिक करें | MPYE-001 Logic Note: i) Give answer of all five questions. ii) All five questions carry equal marks. iii) The answer of questions no. 1 and 2 should be in about […]

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May 1, 2024
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Differentiate between proposition and argument with suitable examples.

FOR ANSWERS KINDLY CONTACT US ON OUR WHATSAPP NUMBER 9009368238 सभी प्रश्नों के उत्तर जानने के लिए नीचे दिए व्हाट्सएप आइकॉन पर क्लिक करें | MPYE-001 Logic Note: i) Give answer of all five questions. ii) All five questions carry equal marks. iii) The answer of questions no. 1 and 2 should be in about […]

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May 1, 2024
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Explain the significance of random variable.

FOR ANSWERS KINDLY CONTACT US ON OUR WHATSAPP NUMBER 9009368238 सभी प्रश्नों के उत्तर जानने के लिए नीचे दिए व्हाट्सएप आइकॉन पर क्लिक करें | MPYE-001 Logic Note: i) Give answer of all five questions. ii) All five questions carry equal marks. iii) The answer of questions no. 1 and 2 should be in about […]

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