Block A of mass 5kg is moving with velocity 2m/sand collides with another stationary block B of unknown mass. After the collision, Amoves with velocity 0.5m/s. Given that the collision is elastic. Find the momentum of B after the collision.

Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road