Suppose that you want to build a circuit with a source, a switch, a motor, and a lamp. You want the lamp to indicate when the motor stops working. Draw a circuit.

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).