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While a person is walking, his arms swing through approximately a 45.0 degree angle in 0.420s. As a reasonable approximation, we can assume that the arm moves with constant speed during each swing. A typical arm is 70.0cm long, measured from the shoulder joint.
A. What is the acceleration of a 0.900 gram drop of blood in the fingertips at the bottom of the swing?
B. Find the force that the blood vessel must exert on the drop of blood in part (a).
Consider a 0.200kg pendulum bob that is in an upright circular cylinder with a 0.0193 diameter, Draw a free body diagram and calculate the tension and the centripital acceleration at the bottom of the pendulum's swing
Young's double-slit experiment is performed with 570 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.64 mm from the central maximum. Settle on the spacing of the slits.
You wish to boil 1.1 kg of water, which has a specific heat capacity of 4186 J/kg-K. The water is initially at room temperature (293 K). Water boils at 373 K. How much energy must be added to the water by heating it in order for it to start boiling
An electric field of 490000 N/C points due west at the certain spot. What is the magnitude of the force that acts on a charge of -8.3 C at this spot.
The minimum distance required to stop a car moving at 38.0 mi/h is 41.0 ft. What is the minimum stopping distance for the same car moving at 68 mi/h, suppose the same rate of acceleration.
In order to heighten your enjoyment of your 29-carat blue diamond, you view it through a lens held close to your right eye, estimate the focal length of the lens
A converging lens with a focal length of 12.2cmforms a virtual image 8.50mm tall, 16.6cm to the right of the lens. Determine the position of the object
How many electrons would have to be added to one of these spheres to make it electrically neutral?
What is the maximum positive potential energy. Write down an expression for U as a function of x, with U in joules and x in meters.
Explain how much work does the gravitational force do on the block as the block travels from point P to (a) point Q and (b) the top of the loop?
Find out the constant force that must be exerted on him to bring him to rest in a distance of 1.2 m in a time interval of 0.20 s.opposite the fullback's direction of motion.
At a certain time an object's position was observed to be 10 meters due west. 4 seconds later the position was observed to be 5 meters due east
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