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Q1.A 1800-kg Jeep travels along a straight 500-m portion of highway (from A to B) at a constant speed of 10 m/s. At B, the Jeep encounters an unbanked curve of radius 50 m. The Jeep follows the road from B to h. What is magnitude of the acceleration of the Jeep as it travels from A to B?

Q2. An electron, initially at rest, is accelerated by passing through a 1200 V potential difference. This electron enters the region having a constant magnetic field of 3.2x10-3 tesla, perpendicular to the direction of the electron's motion. This magnetic field accelerates the electron in a circular motion. What is radius of the circle?

Q3. A cube of ice is taken from the freezer at -8.3°C and placed in a 104 g aluminium calorimeter filled with 300 g of water at room temperature of 20°C. The final situation is observed to be all water at 18°C. What was the mass of the ice cube?

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