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A simple pendulum of length 1.40 m witha bob of mass 1.10 kg has linearspeed v0 = 3.00 m/s whenthe cord makes an angle q0 = 45.0o with the vertical as shown.a) What is the speed of the bob which it is at its lowest position?b) What is smallest value that v0 could have ifthe cord is to achieve a horizontal position during themotion?c) What is the smallest value that v0 can have sothat the pendulum will not oscillate but rather will continue tomove around in a vertical circle?
imagine that construction crews have set up a pair of blinking lights 60m apart to make a construction zone along a
When a person is given intravenous fluid, the bag containing the fluid is typically held about 0.8 m above the person's body. what is the pressure in the person's blood
3 objects are connected on an inclined table with the masses of 8.0kg, 4.0kg and 2.0kg and the pulleys are frictionless. determine the acceleration and direction of the motion of the system
Visible light of wavelength 480 nm is incident on a diffraction grating with a slit spacing of 0.003 mm
question a wire loop of radius 0.50 m lies so that an external magnetic field of magnitude 0.30 t is perpendicular to
In a common but dangerous prank, a chair is pulled away as a person is moving downward to sit on it, causing the victim to land hard on the floor. What is the magnitude of the impulse acting on the victim from the floor during the collision
In the process of changing a flat tire, a motorist uses a hydraulic jack. She begins by applying a force of 59 N to the input piston, which has a radius r1. As a result, the output plunger, which has a radius r2, applies a force to the car. The ra..
A beam of X-rays having a wavelength of .09nm impinges on an unknown crystal. What is the spacing between the atomic plates
The treasure map in the figure gives the following directions to the buried treasure: "Start at the old oak tree, walk due north for 460 paces, then due east for 130 paces. How far should you go to reach the treasure
An airplane flies due north in a region where Earth's magnetic field has magnitude 5.3×10?5T, declination 0?, and inclination 75?. What's the induced emf between the wingtips, 36 m apart, when the plane flies at 230m/s
10g of lead (specific heat = 0.128 J/g C) at 100 C is placed on a glacier of ice at 0 C. How much ice melts
Three deer, A, B, and C, are grazing in a field. Deer B is located 64.2 m from deer A at an angle of 51.3 ° north of west. What is the distance between deers
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