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Pleasseee helpp and explain! The person shown is holding his arm out horizontally with a 3.50 weight in his hand. This weight is 60.0 from the shoulder joint. His forearm (including his hand) has a mass of 2.38 and is 34.0long; its center of mass is 43.0 from the shoulder joint, measured along the arm. His upper arm is 26.0 long and has a mass of 2.71 ; its center of mass is 13.0 from the shoulder joint. The deltoid muscle is attached to the humerus 15.0 from the shoulder joint and makes a 14.0 angle with the humerus.
Part A What is the tension in the deltoid muscle?
q1. a 260 wooden raft floats on a lake. when an 80 man stands on the raft it sinks 5.0 deeper into the water. when he
Illustrate energy bar graphs to solve the problem . What is amplitude of the oscillations.
In a closed but uninsulated container, 500g of water is shaken until it's temperature increases by 3 degrees Celsius. How much heat is transferred to the environment during the process
Four charges are arranged in a rectangle with a length of 21 cm, and width of 15 cm. The charge on the top left corner is 4nC, the charge on top right corner is -3nC, the bottom right corner has a charge of 6nC, and the bottom left corner has a ch..
A single chain supports a pulley whose weight is 40 N. Two identical 80-N weights are then connected with a cord that passes over the pulley
At an instant in time, an electron has a velocity of 5i + 3j - 4k km/s in a region of space, Find the acceleration of the electron at this instant
A flywheel rotates with an angular speed of 27rev/s . As it is brought to rest with a constant acceleration, it turns 53rev . What is the magnitude of the angular acceleration
the flow rate of blood through a 2.10x10^-6 m radius capillary is 4.07x10^-9 cm^3/s. what is the speed of the blood flow
U-tube mounted on wood (each arm is about 22 cm long) • Small glass funnel • Thin rubber sheet (5cm by 5cm) • Tall glass container or beaker about 1000 cu.cm capacity • Standard masses, Observe and record the levels of the colored water in arms A ..
A Carnot engine works between two heat reservoirs at temperatures Thot= 314.0 K and Tcold= 225.0 K. What is its efficiency? How much heat does it reject during each cycle
determine the attractive force between myself 82kg and the earth 6.4 x10 24 as i stand on the earth r 6.0 x
Two boxes sit next to, and touching, each other on a frictionless horizontal surface, Verify your answer to part (b) by calculating the contact force in this case
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