What is the weight of 5kgs of apples on Earth?

Which statement correctly describes the relationship between frequency and wavelength?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples

What is the state of matter with a specific volume but no definite shape