Problem 1: A
150 kg person
stands on a
compression
spring with
spring constant
10,000 N/m and
nominal length
of 0.50.
What is the
total length
of the loaded
spring?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j