College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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How much pressure does a box whose sides are 1.84 m long each exert on the ground due to gravity?Assume that the box has a mass of 33.7 kg. HINT: Look at the definition of pressure - what force is doing the "pushing?" What's the area?
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- You can chew through very tough objects with your incisors because they exert a large force on the small area of a pointed tooth. What pressure in Pa can you create by exerting a force of 410 N with your tooth on an area of 1.38 mm2?arrow_forwardBy definition, pressure is equal to the force exerted per unit area or P = F A . Suppose that you place a 22 kg block on the a table.(a) If the bottom surface of the block has an area of 0.44 m2. What is the pressure caused by the block as it sits on the table? (Hint: You will need to find the weight of the block in order to know the force exerted. Use 10 m/s2 for gravity.)P = _______ Pa(b) How would your answer to part (a) change if the are of the block is 0.22 m2?P = ______ Paarrow_forwardWhat force is exerted by exactly one atmosphere of pressure (1.013 x 105 Pa) on a mercury barometer with an inner diameter of 20.00 mm? Recall that the area of a circle is A = π r2 and that 1 N = 1 kg m/s2.arrow_forward
- You can chew through very tough objects with your incisors because they exert a large force on the small area of a pointed tooth. What pressure in Pa can you create by exerting a force of 530 N with your tooth on an area of 0.800 mm2?arrow_forwardA cylindrical oil storage tank is 50 meters tall and has a diameter of 40 meters is sitting on a concrete pad.. Do NOT change system of units! a) What is the pressure inside the tank at 10 meters above the concrete pad? b) What is the total force acting on the bottom of the tank? c) What is the total force acting on the side of the tank? Keep your answer in decimal form and to 1 decimal place. a) Pressure is Blank 1 _____________ Pa b) Total force on the bottom of the tank is Blank 2 _______________________ N c) Total force on the side of the tank is Blank 3 _____________________ Narrow_forwardThe container shown is filled with a mystery liquid with density 15,000 kg/m3. It is open to atmosphere on the left and closed on the right. What is the pressure at point A, in kPa (kiloPascal)? 1.0 atm = 1.00 × 105 Pa = 100 kPa, and g = 10.0 m/s2. Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.arrow_forward
- A 65 kg rock is 120 m deep in saltwater. Density of saltwater is 1030 kg/ m3. The pressure on the rock due to saltwater is calculated to be? choose one correct answer with the correct unit of measure. [ use g =9.8m/s2 ] A. 1211280 Pascal (N/m2) B. 1211280 kg /m3 C. 76440 Pascal D. 76440 Narrow_forwardConsider a soap bubble 0.115 m in diameter, with a surface tension of 0.0370 N/m. What is the gauge pressure, in torrs (millimeters of mercury), inside the soap bubble?arrow_forwardHow much pressure does a box whose sides are 1.59 m long each exert on the ground due to gravity?Assume that the box has a mass of 68.2 kg. HINT: Look at the definition of pressure - what force is doing the "pushing?" What's the area?arrow_forward
- The drawing shows an intravenous feeding. With the distance shown, nutrient solution (ρ = 1020 kg/m3) can just barely enter the blood in the vein. What is the gauge pressure of the venous blood? Express your answer in millimeters of mercury. Number Type your answer here Units Choose your answer herearrow_forwardYou can chew through very tough objects with your incisors because they exert a large force on the small area equal to that of a pointed tooth. What pressure, in pascals, can you create by exerting a force of 510 N with your tooth on an area of 1.25 mm2?arrow_forwardThe container shown is filled with a mystery liquid with density 15.1 ×103 kg/m³. It is open to atmosphere on the left and closed on the right. What is the pressure at point A, in kPa (kiloPascal)? 1.0 atm = 1.00 x 105 Pa = 100 kPa, and g = 10.0 m/s². Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. y (cm) 100- 75 50 25- 0 Barrow_forward
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