Is n2 + 3h2 →2nh3 a balanced chemical equation? is it obeying the law of conservation of matter?

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin