The position of an object moving along the x-axis is given by x = (5.0 m/s)t – (10.0 m/s2 )t 2 + (4.0 m/s3 )t 3 What is the object doing at t = 1.0 s?

An airplane flying parallel to the ground undergoes two consecutive displacements. the first is 76 km at 39.8◦ west of north, and the second is 156 km at 59.9◦ east of north. what is the magnitude of the plane’s total displacement? answer in units of km. 020 (part 2 of 2) 10.0

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?