In young's double silt experiment if the distance between the silts is 0.5 and the distance between the silts and screen is 2 times. Then what will be the width of bands

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?

You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.