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A 9.05 kg monkey is hanging by one arm from a branch and swinging on a vertical circle. As an approximation, assume that the radial distance between the branch and the point where the monkey's mass is located to be 84.8 cm. As it swings through the lowest point on the circle, the monkey has a speed of 3.00 m/s. Calculate the magnitude of the centripetal force acting on the monkey.
Two and one-half kg of ice at temperature T' = 0ºC is melted into water at the same temperature by placing it in contact with a reservoir at temperature TR = 20.0ºC. What is the change in the entropy of the universe
A 91.3-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.79 rad/s. Find the angular velocity of the platform with its load
If the observer knows his/her speed is 25.0 m/s and the temperature is 30°C, and hears a frequency of 450.0 Hz, what is the frequency heard by the source
A 4.20 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest, What is the mass of the second sphere
A magnetized sewing needle has a magnetic moment of 11.04 mA · m2. How much work must be done on the system to move the needle from the minimum to the maximum potential energy orientation
a small ball bearing is illuminated with blue light from an argon ion laser (4880 A.) What is the diameter of the ball bearing
Find out the frequency of a sound wave moving through iron at 25 degrees Celsius with a wavelength of 0.601m.
An airplane with a speed of 77.1 m/s is climbing upward at an angle of 70.4 ° with respect to the horizontal. When the plane's altitude is 861 m, Calculate the distance along the ground
A drop of water on a countertop reflects light from a flower held 3.10 cm directly above it. What is the focal length of the water drop
A block of wood has a mass of 3.70 kg and a density of 632 kg/m3. What mass of lead is needed if the lead is on top of the wood
A pilot claims to have seen a UFO moving initially at a speed of about 373 m/s in an easterly direction and then, Compute the UFO's average acceleration during the turn
A 130 lb subject did 33 lifts/min up a 30 cm step for 5 minutes, what was the work rate, power output and what was the total work done
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