When a 2.50 kg object is hung vertically on a certain light spring described by hookes law the spring stretches 2.76 cm.
a. what is the force constant of the spring.
b. if the 2.50?

Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge

Which transition by an electron will release the greatest amount of energy? oa ob oc od

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program