A ball is dropped from the rest from a high window of a tall building and called for 4 seconds. Neglecting air resistance, the final velocity of the ball is m/s. (g=-9.8m/s^2)

Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?