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During a game of catch, you tell your friend---who is standing about 15 feet away from you---to go long. After waiting 3 seconds you fling the ball as hard as you can. Your friend manages to dive and catch the ball right at the edge of the field about 40 yards away. You estimate that this throw took about 6.0 seconds from the time your friend started to run. Being the curious person you are, this raises a number of interesting questions. How fast did you throw the ball? How high up did the ball get?
Two thin slits separated by 0.0822 mm are illuminated with light from a He-Ne laser (λ = 633 nm), producing interference fringes on a distant screen. Discover the angle between the centers of the next bright fringe and the central bright fringe.
Consider a person on the moon who launches herself into a satnding broad jump at 45 degrees. What is the range of the jump
A suspension bridge is 60.0 m abovethe level base of a gorge. A stone is thrown or dropped from the bridge. At the location of the bridge, g has been measuredto be 9.83 m/s2.
A geologist finds that a Moon rock whose mass is 10.15 kg has an apparent mass of 5.68 kg when submerged in water. What is the density of the rock
You charge an initially uncharged 79.9-mF capacitor through a 48.1 Ohm resistor by means of a 9.00-V, What is the charge after a long time (coloumbs)
An engineer wants to find the rotational inertia of an odd-shaped object of mass 9.0 kg about an axis through its center of mass. what is the rotational inertia of the odd-shaped object
A vertical steel beam in a building supports a load of 6.4 x 104 Newton. Find what maximum load could the steel beam support before falling
In the Atwood machine shown below, m1 = 2.00 kg and m2 = 5.35 kg. The masses of the pulley and string are negligible by comparison. The pulley turns without friction and the string does not stretch. The lighter object is released with a sharp push th..
A spring-loaded cannon is able to throw a 2.0-kg pumpkin 10 m vertically upward when the spring was initially compressed by 0.25 m. How fast is the pumpkin when it crashes into the field
One recent study has shown that x rays with a wavelength of 0.0050 nm can produce significant numbers of mutations in human cells. Calculate the energy in eV of a photon of radiation with this wavelength.
A 0.13 kg meter stick is held perpendicular to a wall by a 3.0 m string going from the wall to the far end of the stick. Find the tension in a 1.5 m string. Find the tension in the string.
a racket ball is struck in such a way that it leaves the racket with a speed of 4.89ms in the horizontal direction.
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