One end of a 30 cm long aluminum rod is exposed to a temperature of 100'C while the other end is maintained at 20°C the rod has a diameter of
26 om in heat is conducted through the rod at the rate of 142 kcal/h​

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)