Tomas and tasha were hiking at a speed of 3. 5 mph. On their way back, they were tired and their speed was 2 mph. How long was the route if the way back took them 1 hour and 30 minutes longer?.

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

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

If a balloon is taken outside on a very cold day, what will occur?