Last question on the page is the one I need help answering Metal mass (g)
45g
Metal temp before mix (°C)
45.92°C
Col water mass (g)
46 g
Cold water temp before mix (°C)
11.45°C
Mixture temp (°C)
17.59°C

14. a body is projected with velocity vi from a. at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is