Finding the magnitude of the torque
An athlete at the gym holds a 2.0 kg steel ball in his hand. His arm is 70 cm long and has a mass of 4.0 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?
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Two identical piano wires have a fundamental frequency of 600Hz when kept under the same tension. What fractional increase in the tension of one wire lead to the occurrence of 6 beats/s when both wires oscillate simultaneously?
Calculate the pH of a solution resulting from the addition of 10.0mL of .10 M NaOH to 50.0 mL of .10M benzoic acid .
The difference in potential between the accelerating plates of a TV set is about 26000 V. If the distance between these plates is 1.50 cm, find the magnitude of the uniform electric field in this region.
A man racing his son has half the kinetic energy of the son, who has half the mass of the father. the man speeds up by 0.8 m/s and then has the same kinetic energy as the son. What were the original speeds of man and son?
Phosphourus, P, is combined with chlorine, Cl2, to give a gaseous compound with the formula PCLx. If you start with 2.097g of P and isolate 9.298g of PCLx, what is the value of x?
By sound waves to people sitting across the newsroom, 3.0 m from the newscaster. Who receives the news first? Take he speed of sound in air to be 343 m/s.
Assume that you are an administrator or a teacher leader at a school. What additional managerial tasks could you use in order to maintain the effectiveness of this team building?
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Listen to Week 4 podcast episode: "The Wisdom of Hope" Choose three (3) things that struck you in some way or perhaps something
Lori was very angry when she found out that her roommate ate the leftovers she was saving for lunch. In retaliation, Lori posted on Facebook
I would like for you to read through and write about the Roediger & Adelson (1980) article that we briefly discussed in class.
List examples of signs a young child may exhibit due to stress. Describe an example of a young child who experienced stress.
According to the conceptual act model, which of the following is not one of the "psychological primitives" used in the construction of emotions?
Problem: A subject who is threatening suicide and has outlined a detailed plan to carry out that suicide in the near future,
1. What should be your primary concern in this situation? 2. How can you help your friend while insuring patient safety?