78. Determine the number of significant figures in the following measurements: (a) 0.0009, (b) 15,450.0, (C)
6x103, (d) 87.990, and (e) 30.42,
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Write a question about how changing temperature affects the gas inside the sports ball

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?

Abus travels 280km south along a straight path with an average velocity of 88km/h to the south. the bus stops for 24 min, then it travels 210 km south with an average velocity of 75 km/h to the south. how long does the total trip last?