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The original Ferris wheel had a radius of 38 meter and completed a full revolution (2π radians) every two minutes when operating at its maximum speed. If the wheel were uniformly slowed from its maximum speed to a stop in 35 sec, estimate the magnitude of the tangential acceleration at the outer rim of the wheel during its deceleration?
q1. two point charges q1 -10.0 nc and q2 20.0 nc are 15 cm apart on the x-axis. what is an electric potential at the
A block of mass, m=5.0 kg is pulled along a rough horizontal surface by a rope. The tension in the rope is 40 N, and the coefficient of kinetic friction between the block and the surface is, .25. If the block travels a distance of 4.5 m along the ..
A stone thrown upward from the top of a 100ft cliff at 150ft/s eventually falls to the beach below. (For this problem take the acceleration because of gravity to be -32 ft/s^2; take upwards to be a positive direction.) How long does it take the st..
Use the worked example above to help you solve this problem. A balloon contains 4.40 moles of a monatomic ideal gas. Find the work Wenv done by the gas in expanding the balloon
An 80 kg spacewalking astronaut pushes off a 640 kg satellite, exerting the 100N force for the 0.50 s it takes him to straighten his arms.
A gymnast does a one-arm handstand. The humerus, which is the upper arm bone between the elbow and the shoulder joint, What is the compressional strain of the humerus
A mass and spring are arranged on a horizontal, frictionless table. The spring constant is k = 560 N/m, and the mass is 4.35 kg. Find the velocity of the mass when it leaves the spring
In the Millikan oil-drop experiment, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates.
write down Newton's Second Law for the velocity of the cube.
You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 4.95 m/s, Find the height of the balcony
Prior to the precipitation with salt. The theoretical yield of soap was dissolved in 150mL H2O. At this soap concentration there are approx. 10^18 micelles’ per mL. Using Avogadro's number, compute how many soap molecules are present in each soap mic..
If a 1000 hertz signal has a time base measurement that is off by 15 percent, determine the possible ranges in the value for the period of the signal
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