A 175 g piece of iron and a 175 g piece of aluminum are placed in a hot water
bath so that they are warmed to 99.7/C.
The metal samples are removed and
cooled to 21.5/C. Which sample
undergoes the greater heat change?
(Al; -12.3 kJ Fe; - 6.08 kJ)

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?

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?