a nearsighted man cannot see objects clearly that are beyond 50 cm from a size determine the focal length and power of the glasses that will enable him to see distant objects clearly ​

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

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?

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change