If the average normal stress in both rods is not allowed to exceed 150 MPa , determine the largest mass of the chandelier that can be supported if θ = 45∘.

What is the measure of a change in an objects velocity?

A15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°c to 175°c. what is the specific heat capacity of iron?

Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature