What is the first constant of a spring which its streatched
(A) 2mm by a force of 4N

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

Which feature indicates that mars resides in the inner region of the solar system

Name three different units of energy used to measure heat and describe what type of situations each is usually used.