A student wants to make a pendulum, that after being released, will complete 29 cycles in 49s. The pendulum will be released from the position shown and has a 4.2kg bob. What is the period of the harmonic motion?

How long does the string need to be?

What is the frequency?

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.