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A very light tripod has 70 centimeter long legs that can be spread out so that each makes a 20 degree angle with the vertical. The points where the three legs rest on the ground form an equilateral triangle.
If you attach an object to the tripod, such as a camera with along lens, determine the maximum possible horizontal distance between the center of gravity of the object and the center of the tripod, if the tripod is to remain stable?
A thin rod of length 0.80 m and mass 210 g is suspended freely from one end. find the rod's kinetic energy at its lowest position
a ring has a radius r and charge q. the ring is shrunk to a new radius 12 r with no change in its charge. by what
A bungee jumper with a mass of 65.0 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point more times in 38.0s. He finally comes to rest at 25.0m below the level of the bridge. Calculate the st..
in a medical x-ray tube electrons are accelerated to a velocity of 108 ms and then slammed into a tungsten target. as
A transverse sinusoidal wave on a string has a period T = 45.0 ms and travels in the negative x direction with a speed of 30.0 m/s, What is the maximum transverse speed of the string
What is the relationship between the heat of fusion of a solid and the amount of heat needed to melt it?
A planet of mass m = 7.85 × 1024 kg is orbiting in a circular path a star of mass M = 4.35 × 1029 kg. The radius of the orbit is R = 8.15 × 107 km. What is the orbital period (in earth days) of the planet Tplanet?
in a harmonic pendulum, the lengths are increasing monotonically; the lengths are measured so that in a defined set of oscillations (i.e. 20 cycles in 20 seconds), what are a set of lengths that would work
Light of intensity 2.5W/m2 passes through the pupil of one of your eyes and eventually falls on your retina. The radius of the pupil is controlled by the iris.
consider a spring that does not obey hookes law very faithfully. one end of the spring is fixed. to keep the spring
Runner A is initially 3.0 mi west of a flagpole and is running with a constant velocity of 3.0 mi/h due east. How far are the runners from the flagpole when they meet
An unstable particle at rest breaks up into two fragments of unequal mass. compute what the speed of the heavier fragment
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