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A pendulum, 1.0 m long, is pulled aside to the position wherethe 4.00 g "bob" has been raised verticall a distance of 10 cm. find:
a) the potential energy of the bob before it is released.b) the kinetic energy of the bob at its lowest position.c) the velocity of the bob at its lowest point
An automobile traveling at 11.0 along a straight, level road accelerates to 72.0 in 5.10. What is the magnitude of the auto's average acceleration
A car of mass M = 800kg travelling at 50km/hour enters a banked turn covered with ice. The road is banked at an angle 20degrees, and there is no friction between the road and the car's tires.
An 845-N sled is pulled a distance of 173 m. The task requires 1.20 x 10^4 J of work and is done by pulling on a rope with the force of 142 N. At what angle is the rope held.
A wheel with radius 43.9 cm rotates 4.27 times every second. Find the period of this motion.
The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on wholehuman bodies has a field strength of 7.81 T, and the current in thesolenoid is 3.68 x 102 A. What is the number of turnsper ..
questiona 67.0 kg person holds out his arms so that his hands are 1.70 m apart. normally a persons hand makes up about
The threshold of dark-adapted (scotopic) vision is 4.0 multiplied by 10-11 W/m2 at a central wavelength of 500 nm. how many photons per second enter the eye
While a roofer is working on a roof that slants at 44.0 above the horizontal, how fast will the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on it is 18.0
A model airplane of mass 0.870 kg is flying at constant speed in a horizontal circle at one end of a 28.0 m cord and at a height of 17.0 m. What is the acceleration of the plane
spectroscopy is an important part of physics chemistry geology astronomy and many other sciences. explain what physical
An oil droplet with 15.0 excess electrons is observed between two parallel electrodes spaced 14.0mm apart. What is the radius of the droplet
A flywheel of mass 185 kg has an effective radius of 0.62 m (assume the mass is concentrated along a circumference located at the effective radius of the flywheel)
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