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Question: An object moving at a constant speed requires 6.0 s to go once around a circle with a diameter of 4.0 m. What is the magnitude of the instantaneous acceleration of the particle during this time?
A model rocket exerted 1200 J of work in flight. If the rocket exerted 2 N of force, what is the maximum height the rocket can reach, without air resistance?
A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.234 s, what is the angular velocity of the disk and its speed at 1.42 cm from the axis of rotation
A tile is dropped at a height of 12 Meters. The tile has a mass of 2.5kg. Calculate the final speed of the tile
an early cyclotron had a diameter of 30 cm and used a magnet capable of applying a magnetic field of 2.0 T. What was the max kinetic energy of the protons
Problem: The centers of a 9.0 kg lead ball and a 60 g lead ball are separated by 9.0 cm.
The exhaust gas needed to counteract the force of gravity has already been accounted for and should not be part of this calculation.
to focus a camera on objects at different distances the converging lens is moved toward or away from the film so a
Describe an entertainment poll or survey. Analyze the number of people who participated in the sample compared to the number in the population. Most news articles will not provide information on the number of people surveyed. In this case, critiqu..
A transverse pulse moves along a stretched cord of length 5.29 m having a mass of 0.180 kg. If the tension in the cord is 13.4 N, find the following. (a) The wave speed. (b) The time it takes the pulse to travel the length of the cord.
A nichrome wire is 1 m long and 1 x 10^-6 m^2 in cross-sectionalarea. When connected to a potential difference of 2 V, acurrent of 4 A exists in the wire. Find the resistivity of this nichrome.
What's the change in the atom's total energy if the radius increases to 25a0? Does this process correspond to the emission or absorption of a photon? What's the photon's wavelength?
Only two forces act on an object (mass=3.76 kg), as in the drawing. Find the direction (relative to the x axis) of the acceleration of the object
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