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Question: If 1 kg of water is heated from 20°C to 100°C, how much heat is absorbed? (Specific heat o..
Question: What is the heat required to raise the temperature of 250 g of aluminum from 25°C to 75°C?..
Question: A metal block of mass 2 kg at 100°C is placed in 1 kg of water at 20°C. What is the final ..
Question: If 200 g of ice at 0°C is added to 100 g of water at 80°C, what will be the final temperat..
Question: What is the specific heat capacity of water if 500 J of heat is required to raise the temp..
Question: If the length of a side of a cube is doubled, how does the volume change?Options: Increase..
Question: Which of the following quantities has the dimension [M^0 L^0 T^0]?Options: MassTimeLengthA..
Question: If a length is measured as 0.0600 m, how many significant figures does it have?Options: 23..
Question: Which of the following is the correct representation of 0.0004500 in terms of significant ..
Question: When subtracting 5.678 from 10.0, how should the answer be rounded?Options: 4.324.34.44.00..
Question: What is the result of dividing 100.0 by 4.00, considering significant figures?Options: 25...
Question: In a thermodynamic cycle, the net work done is equal to which of the following?Options: Ne..
Question: What is the relationship between enthalpy (H), internal energy (U), pressure (P), and volu..
Question: Which of the following processes is isothermal for an ideal gas?Options: Heating at consta..
Question: In a Carnot engine, which of the following is true?Options: It operates between two temper..
Question: A speed is measured as 20 m/s with an uncertainty of ±0.5 m/s. If this speed is used to ca..
Question: A force is measured as 50 N with an uncertainty of ±2 N. What is the percentage uncertaint..
Question: If the density of a substance is measured as 8.0 g/cm³ with an uncertainty of ±0.1 g/cm³, ..
Question: A length is measured as 15.0 m with an uncertainty of ±0.5 m. If this length is used to ca..
Question: If a force of 15 N is applied at a distance of 0.4 m from the pivot, what is the torque?Op..
Question: A torque of 25 Nm is applied to a wheel with a radius of 0.5 m. What is the force applied ..
Question: What is the torque about a pivot if a force of 12 N is applied at a distance of 0.25 m at ..
Question: A wheel of radius R rolls on a flat surface. If it rolls without slipping, what is the dis..
Question: A solid cone rolls down an incline. If its height is h, what is the relationship between i..
Question: A sphere rolls without slipping on a flat surface. If it has a radius R and rolls with a s..
Question: What is the angular momentum of a rolling object about its center of mass?Options: mvIωmv ..
Question: A ball rolls down a ramp of height h. If it starts from rest, what is its final velocity a..
Question: Which of the following is the correct representation of 0.00056 in scientific notation?Opt..
Question: A disk rolls down a slope of height h. What fraction of its total energy is translational ..
Question: What is the uncertainty in the result of adding 5.0 cm and 3.0 cm, each with an uncertaint..