The weight of your 1420-kg car is supported equally by its four tires, each inflated to a gauge pressure of 35.0 lb/in². (a) What is the area of contact each tire makes with the road?
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- A 50.0 kg woman balances on the heel of a pair of higheeled shoes. If the heel is circular and has a radius of 0.500 cm, what pressure does she exert on the floor?Assuming bicycle tires are perfectly flexible and support the weight of bicycle and rider by pressure alone, calculate the total area (in m2) of the tires in contact with the ground. The bicycle plus rider has a mass of 80.0 kg, and the gauge pressure in the tires is 3.50×105 Pa.The vapor pressures of a halogen compound in its solid and liquid phases display the following temperature dependence: p(s) 4012 K T solid- liquid- In 1 bar (1) P 1 bar 18.316- = 11.247- 2589 K T where T is in K. (a) Determine the temperature of the triple point (in K).
- A sump pump (used to drain water from the basement of houses built below the water table) is draining a flooded basement at the rate of 0.700 L/s, with an output pressure of 2.00 x 105 N/m². You may neglect frictional losses in both parts of this problem. (a) The water enters a hose with a 3.00 cm inside diameter and rises 3.00 m above the pump. What is its pressure (in N/m²) at this point? N/m² (b) The hose goes over the foundation wall, losing 1.70 m in height, and widens to 4.00 cm diameter. What is the pressure now (in N/m²)? N/m²A 4.5-kg, three legged stool supports a 68-kg person. If each leg of the stool has a cross-sectional diameter of 2.4 cm and the weight of the person is evenly distributed, determine the pressure exerted on the floor by each leg. |(No Response) Paanswer 8 only