Answers A body of mass 200g and specific heat capacity 0.4Jg-1k-1 cools from 37oC to 31oC…. A body of mass 200g and specific heat capacity 0.4Jg-1k-1 cools from 37oC to 31oC. Calculate the quantity… Read More
Answers A relative density bottle of volume 50cm3 is completely filled with a liquid at 30oC…. A relative density bottle of volume 50cm3 is completely filled with a liquid at 30oC. It is then… Read More
Answers Which of the following statements distinguishes thermal conduction for convection? i. Conduction requires a material… Which of the following statements distinguishes thermal conduction for convection? i. Conduction requires a material medium while convection… Read More
Answers A cube made of metal of linear expansivity (alpha) is heated through a temperature (theta)…. A cube made of metal of linear expansivity (alpha) is heated through a temperature (theta). If the initial… Read More
Answers The ice and steam point on a mercury-in-glass thermometer are 10cm and 30cm respectively. Calculate… The ice and steam point on a mercury-in-glass thermometer are 10cm and 30cm respectively. Calculate the temperature in… Read More
Answers Mechanical energy can be either Mechanical energy can be either A. kinetic or electric B. chemical or potential C. potential or kinetic D.… Read More
Answers Mechanical energy can be either Mechanical energy can be either A. kinetic or electric B. chemical or potential C. potential or kinetic D.… Read More
Answers A car of mass 800kg moves from rest on a horizontal track and travels 60m… A car of mass 800kg moves from rest on a horizontal track and travels 60m in 20s with… Read More
Answers A block of mass 4.0kg causes a spiral spring to extend by 0.16m from its… A block of mass 4.0kg causes a spiral spring to extend by 0.16m from its unstretched position. The… Read More
Answers A body accelerates uniformly from rest at 2ms-2. Calculate the magnitude of its velocity after… A body accelerates uniformly from rest at 2ms-2. Calculate the magnitude of its velocity after travelling 9m A.… Read More