How to build a machine that can create anything

Suppose a possibly biased die is rolled 30 times and that the face containing two pips comes up 10 times. Do we have evidence to conclude that the die is biased?

stimate the maximum efficiency of an automobile engine that has a compression ratio of 5:1.0. Assume the engine operates according to the Otto cycle and assume γ = 1.4.

Can i join three 12 volts batteriesto give me 24 volts output

Mobo, a wireless phone carrier, completed its first year of operations on October 31. All of the year's entries have been recorded, except for the following: a.

A ball A is thrown vertically upward from the top of a 30-m-high building with an initial velocity of 5 m>s. At the same instant another ball B is thrown upward from the ground with an initial velocity of 20 m>s.

A piston-cylinder assembly contains 5 kg of air, initially at 2.0 bar, 30 C. The air undergoes a process to a state where the pressure is 2 bar, during which the pressure-volume relationship is pV1.5 = constant. Assume ideal gas behavior for the air.

Who is responsible for making sure that PPE fits each worker properly? A) employee B) employer

This method will sell the seat in row i and column j unless it is already sold. A ticket is sold if the price of that seat in the array is 0.

A low-temperature physicist wishes to publish his experimental result that the heat capacity of a nonmagnetic dielectric material between 0.05K and 0.5K varies as A√ T + BT^3 As editor of the journaL should you accept the paper for publication?

Consider an electric motor with a shaft power output of 20 kW and an efficiency of 88 percent. Determine the rate at which the motor dissipates heat to the room it is in when the motor operates at full load.