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A 3.6 g spider is dangling at the end of a silk thread. You can make the spider bounce up and down on the thread by tapping lightly on his feet with a pencil. You soon discover that you can give the spider the largest amplitude on his little bungee cord if you tap exactly once every second.
What is the spring constant of the silk thread?
if a river flows due east at 1.68m/s. a boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 13.40m/s due north relative to the water. if the river is 178m wide, how far downstream is the boat when i..
At the surface of the Earth, the Sun delivers an estimated 1.43 kW/m2 of energy. Suppose sunlight hits a 16.3 m by 33.3 m roof at an angle of 90.0°. Estimate the total power incident on the roof
A bowling ball of mass M and Radius R (treated as a solid sphere) is thrown along a level surface so that initially (t = 0) it slides with a linear speed Vo but dows not rotate. What is the change of kinetic energy in the whole process
A 2.00×10-2- cube of ice at an initial temperature of -19 is placed in 0.670 of water at 44.0 in an insulated container of negligible mass.
A wave on a string is described by the equation y = (4.2 mm)cos(3000t 0.45x) where t is measured in s and x is measured in mm
A very long uniform line of charge has charge per unit length 4.80 microC/m and is parallel to the x-axis at y = 0.400m. What is the net electric field (magnitude and direction) at the following points on the y-axis: y=0.200m and y=0.600m
What is the total mass of the earth's atmosphere? (the radius of the earth is 6.37X10^6m. and atmosphere pressure at the surface is 1.013X10^6N/m^2)
A person with a near-point distance of 37 cm is able to get a usable magnification of 15 with a particular magnifying glass. What is the friend's near-point distance
What volume is occupied by 1 mole of an ideal gas at a pressure of 1.00 atm and a temperature of 0 degrees Celsius
a tank contains 29.0 kg of o2 gas at a gauge pressure of 10.0 atm.if the oxygen is replaced by helium at the same
You produce an image of the Sun on a screen using a thin lens whose focal length is 28.3 cm. What is the diameter of the image in millimeters
A flywheel has a constant angular deceleration of -2.01 rad/s^2. Find the time required for the flywheel to come to rest
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