Fuel made from plants are called biofuel. these fuels can be renewed in anywhere from 2 to 100 years depending on the plants used to create the fuel. compared to fossil fuels, biofuels

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

their crystal patterns have been disrupted by stress

thermal energy is the answer

the area between the graph and the t axis