Janet wants to find the spring constant of a given spring, so she hangs the spring vertically and attaches a 0.63 kg mass to the spring's other end. if the spring stretches 2.8 cm from its equilibrium position, what is the spring constant?

What is the maximum acceleration of the wing tips, in units of g?

Which is not true about oxygen-17 and oxygen-18?

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors