If an object is sitting motionless on table, the normal force is... A. Not present

B. the same forest as the force of the table pushing up on the object of interest

C. an extra force in addition to the force that the table applies to the object​

Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass

In a series circuit the __ is the same at every point

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?