A 1.0 mass is attached to a horizontal spring which undergoes SHM. The graph of EPE as a function of position show above. The total energy of the oscillating system is 0.8 J. a. What is the maximum displacement of the oscillating mass?
b. What is the potential energy at the position of 2 cm?
c. What is the kinetic energy at the position of 2 cm?
d. What is the period of oscillations?

electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia

i think the answer is tomato juice? not entirely sure though

k2s for potassium sulphide

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it