Physics Friction can be reduced by changing from Sliding to Rolling Dynamic to Static Static to Dynamic Rolling to Sliding Sliding to Rolling Dynamic to Static Static to Dynamic Rolling to Sliding ANSWER DOWNLOAD EXAMIANS APP
Physics According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ________ of an object. Volume Density Mass Force Volume Density Mass Force ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Insulation Conduction Radiation Convection Insulation Conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 1000 0.008 0.016 2000 1000 0.008 0.016 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will None of these Fall behind him Fall in front of him Fall into his hand None of these Fall behind him Fall in front of him Fall into his hand ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Reflection of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP