Physics It is easier to roll a barrel full of coal tar than to pull it because more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction ANSWER DOWNLOAD EXAMIANS APP
Physics RADAR is used for: receiving a signals in a radio receiver. locating geostationary satellites. detecting and locating the position of objects such as Aeroplanes. locating submerged submarines. receiving a signals in a radio receiver. locating geostationary satellites. detecting and locating the position of objects such as Aeroplanes. locating submerged submarines. ANSWER DOWNLOAD EXAMIANS APP
Physics What is the size of Electron as comapared to Proton and Neutron? 1/355 8402 1/1836 1/1236 1/355 8402 1/1836 1/1236 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Light waves Longitudinal waves on a string Sound waves in air Transverse waves on a string Light waves Longitudinal waves on a string Sound waves in air Transverse waves on a string ANSWER DOWNLOAD EXAMIANS APP
Physics Boyle's law is a relationship between Pressure and temperature Volume and density Pressure and volume Volume and temperature Pressure and temperature Volume and density Pressure and volume Volume and temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following produces more severe burns ? Steam Boiling water Melting iceberg Hot water Steam Boiling water Melting iceberg Hot water ANSWER DOWNLOAD EXAMIANS APP