What statements best define percent error? Check all that apply.

It is a mathematical way of showing accuracy.
The higher the percent error, the more accurate the data set.
The higher the percent error, the less accurate the data set.
Only the experimental value is needed to calculate percent error.
Only the actual, or accepted, value is needed to calculate percent error.
A percent error always has a positive value.

Observations show that interstellar clouds can have almost any shape and

Distinguish between linear momentum and angular momentum

Along wire of diameter 1 mm is submerged in an oil bath of temperature ∞ 31°c. the wire has an electrical resistance per unit length of 0.01 ω/m. if a current of 103 a flows through the wire and the convection coefficient is 500 w/m2·k, what is the steady-state temperature of the wire? from the time the current is applied, how long does it take for the wire to reach a temperature that is within 1°c of the steady-state value? the properties of the wire are 8000 kg/m3, 500 j/kg·k, and 20 w/m·k.