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A bucket of mass 2.00 kilogram is whirled in a vertical circle of radius 1.10 meter. At the lowest point of its motion the tension in the rope supporting the bucket is 25.0 Newton.
(a) Determine what the speed of the bucket.
(b) Determine how fast must the bucket move at the top of the circle so that the rope does not go slack?
On a frictionless table, a glob of clay of mass 0.24 kg strikes a bar of mass 1.34kg perpendicularly at a point 0.38m from the center of the bar and sticks to it. If the bar is 1.14 m long and the clay is moving.
a concave mirror has a focal length of 25.5cm. the distance between an object and its image is 46.6cm. find a object
The charges and coordinates of two charged particles held fixed in the xy plane are: q1=2.90 ?C, x1=3.900 cm, y1=8.700 cm, What are the x and y coordinates of a third charge q3=3.00 ?C
What is the acceleration of a vehicle that changes its velocity from 44.65 km/h to a dead stop in 1.15 s? (The unit of measure that we will use will be the km/hs.
If the gravitational potential energy of a 30.7-kg rock is 643 J relative to a value of zero on the ground, how high is the rock above the ground
A steel section of the Alaskan pipeline had a length of 65 m and a temperature of 12°C when it was installed. What is its change in length when the temperature drops to a frigid -38°C?
a container of volume 110-5 cm3 holds three molecules of gas b which we label b1 b2 and b3. in 1 second there are two
the mayor of your home town is worried that magnetic fields might cause cancer and proposes that the electric power
A ball of mass m is dropped from a height h above the ground. Calculate the speed of the ball at height y if at the instant of release it already has an initial speed of vo
The cathode-ray tubes that generated the picture in early color televisions were sources of x rays. what are the shortest-wavelength x rays produced by the television
Imagine that the force of gravity has been turned off, and we wish to keep the Moon in its current orbit around the Earth, using the electrostatic (Coulomb) interaction.
The edge of a cube consist of equal resistors of resistance R, that are joined at the orners, let a battery be connected to two opposite corners of a face of cube. what is the efective resistance.
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