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To determine the location of her center of mass, a physics student lies on a lightweight plank supported by two scales 2.50M apart, as indicated in the figure . If the left scale reads 280N , and the right scale reads 132N .
Find the students mass.
Find the distance from the students head to her center of mass.
Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. Determine the current in the rods
The engine of a model rocket accelerates the rocket vertically upward for 2.0 s as follows: At t = 0, the rocket's speed is zero; at t = 1.0 s, determine the instantaneous acceleration of the rocket at t = 1.5 s
A 50kg diver in a full layout position, with a total body radius of gyration with respect the her transverse principal axis equal to 0.45m, What is the diver's angular velocity
ject located at the origin and having mass M explodes into three pieces having masses M/6, M/3, and M/2. What are the velocity components of the third piece
Consider a simple plane pendulum consisting of mass m attached to a string of length l. find the tension of the pendulum string
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. How long is the arm of the centrifuge
Pool players often pride themselves on their ability to impart a large speed on a pool ball. At what speed did his pool ball hit the ground
A high energy photon is scattered at an angle of ?=180.0° from an electron that is initially at rest. Find the energy of the incident X-ray photon
Light of wavelength 420 nm is incident normally on a film of water 1.0 µm thick. The index of refraction of water is 1.33, What is the wavelength of the light in the water
A 7320 kg satellite has an elliptical orbit. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. Find the work done by the gravitational force when the satellite moves from the ap..
A wooden cylinder of length 2.0m and cross section 78cm^2 is suspended in vertical positionwith a string of length 2.5m. Find the linear density of the string
Fluid is flowing through a pipe at a rate of 100 gal/min. The inlet pressure is 20 psig and the outlet pressure is 0 psig. At what rate [Btu/(hR)] is entropy generated
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