Which formula is used to find an object's acceleration? a= Δt – Δν
a= Δv + Δt
a= Δv/ Δt
a= Δt/Δv

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?