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In this problem
Mr. DelliGatti decides to go bungee jumping. He goes to the Macau Tower in China and leaps from a height of 233 meters. If his weight is 86 kilograms, what would his potential energy be just prior to jumping? How is the PE of g figured? The solution says PE= m * g * h.
How do you get the g = 9.81 m/s to the 2nd power
At the SPS Pumpkin Drop, the pumpkins falling from Butte Hall take about 2.1 seconds to reach the ground. What is the height of the stairwell from which they are being dropped
A microscope has an objective lens with a focal length of 16.22 mm and an eyepiece with a focal length of 9.20 mm. by the length of the barrel set at29.0 cm, the diameter of a red blood cells image subtends an angle of 1.43 m rad with the eye.
in an experiment to determine the speed of sound in air a student bangs two blocks of wood together when standing 125
An ideal (Carnot) engine has an efficiency of 43 percent. If it were possible to run it backward as a heat pump. Compute what would be its coefficient of performance
a beaker of mass 1.3 kg containing 2.7 kg of water rests on a scale. a 3.9 kg block of a metallic alloy of density 5300
A 50.0 kilogram kid stands at the rim of a merry-go-round of radius 2.40 meter, rotating with an angular speed of 2.40 rad/s. Find minimum coefficient of static friction is required
The weight of a object is the same on two different planets. The mass of planet A is only sixty percent that of planet B. Find ra/rb, which is the ratio of the radii of the planets.
A photon is emitted from a light bulb located 2 m above the floor. The photon travels in a straight line shown with the dashed arrow in the diagram below. The angle among the photon’s path and the wall is 65 degrees.
A 3.0 uF capacitor is put across a 12 V battery. What is the initial current through the resistor when the switch is closed
Suppose 79kW is to be transmitted over two 0.105ohms lines. Estimate how much power is saved if the voltage is stepped up from 200V to 2000V and then down again, Estimate how much power is saved
Define the frequency components of an AM signal and draw the AM signal for the given modulation index.
A person is 1.4 m tall, and is standing at 2.0 m in front of a plane mirror. What is the minimum length of the mirror if the person is now 3.5 m from the mirror
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