An object is 60 cm below the surface of a liquid. The pressure due to the liquid at this depth is9000 Pa.What is the density of the liquid?A 15kg/mв 540kg/mC 1500 kg/mD 54000 kg/mA OВCنقطة واحدةA uniform plank rests on a pivot at its centre.Two children P and Q sit on the plank in the positions shown.1.2m1.5mchild Pchild QpivotThe mass of child P is 25 kg.The plank is balanced.What is the mass of child Q?A 20 kgв 25kgC 31 kgD 45kgA OВCD A ball falls from rest through the air towards the ground. The diagram shows two forces acting onthe ball.air resistancegravitational forceAs the ball falls, the air resistance increases.Which statement is correct?AThe acceleration of the ball decreases,BThe acceleration of the ball increases.The speed of the ball decreases.D The gravitational force on the ball decreases.AВCDنقطة واحدةA bullet of mass 0.10kg travels horizontally at a speed of 600 m/s. It strikes a stationary woodenblock of mass 1.90 kg resting on a frictionless, horízontal surface.The bullet stays in the block.What is the speed of the bullet and the block immediately after the impact?A 30m/sB 32m/sC 60m/sD 134m/sAВ

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Description: An object is 60 cm below the surface of a liquid. The pressure due to the liquid at this depth is9000 Pa.What is the density of the liquid?A 15kg/mв 540kg/mC 1500 kg/mD 54000 kg/mA OВCنقطة واحدةA uniform plank rests on a pivot at its centre.Two chil

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An object is 60cm below the surface of a liquid. The pressure due to the liquid at this depth is 9000 Pa. What is the density of the liquid? A 15kg/m в 540kg/m C 1500kg/m D 54000 kg/m A C نقطة واحدة A uniform plank rests on a pivot at its centre. Two children P and Q sit on the plank in the positions shown. 1.2m 1.5m child P child Q pivot The mass of child P is 25 kg. The plank is balanced. What is the mass of child Q? A в 25kg с 45kg A

An object is 60cm below the surface of a liquid. The pressure due to the liquid at this depth is 9000 Pa. What is the density of the liquid? A 15kg/m в 540kg/m C 1500kg/m D 54000 kg/m A C نقطة واحدة A uniform plank rests on a pivot at its centre. Two children P and Q sit on the plank in the positions shown. 1.2m 1.5m child P child Q pivot The mass of child P is 25 kg. The plank is balanced. What is the mass of child Q? A в 25kg с 45kg A

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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