Physics Friction is caused by the ________ on the two surfaces in contact. Smoothness Densities Gaps Irregularities Smoothness Densities Gaps Irregularities ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 8 36 4 72 8 36 4 72 ANSWER DOWNLOAD EXAMIANS APP
Physics The different colours of different stars are due to the variation of Temperature Pressure Density Radiation from them Temperature Pressure Density Radiation from them ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It reflects most of the heat from the sun It has a high latent heat of fusion It has a low specific heat capacity It becomes very hard It reflects most of the heat from the sun It has a high latent heat of fusion It has a low specific heat capacity It becomes very hard ANSWER DOWNLOAD EXAMIANS APP
Physics Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2 14 m/s 0.14 m/s 1.4 km/s 140 m/s 14 m/s 0.14 m/s 1.4 km/s 140 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Diesel-cycle Carnot-cycle Otto-cycle Boyle's-cycle Diesel-cycle Carnot-cycle Otto-cycle Boyle's-cycle ANSWER DOWNLOAD EXAMIANS APP