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An engineering student has made a robot mouse that is running around a circle on a horizontal table. The mouse is kept on its circular path by a string that is attached to it and passes through a hole in the center of the table. The student, below the table pulls on the string with a tension 16.00 N to keep the mouse on a circular path of a particular radius. If the mouse has a mass of 1.55 kg and moves with a speed of 3.95 m/s the circular path has a radius of:
the critical angle for total internal reflection at a liquid-air interface is 45.0o1. if a ray of light traveling in
Near San Francisco, where the vertically downward component of the earth's magnetic field is 4.7 multiply.gif 10-5 T, Find the emf induced between the two sides of the car
Element X decays to element Y with a half-life of 0.77 s. Initially there is a sample of pure X and after 2.31 s there are 7g of Y. What was the mass of the original sample
a speeder passes a parked police car at a constant speed of 34.9 ms. at that instant the police car starts from rest
A platform is rotating at an angular speed of 2.1 rad/s. A block is resting on this platform at a distance of 0.33 m from the axis. determine the smallest distance from the axis
7.4 kg crate slides on a horizontal surface. The coefficient of kinetic friction between the surface and the crate is 0.365. find the magnitude of the external force acting on the crate
A Hall probe serves to measure magnetic field strength. Such a probe consists of a poor conductor 0.171 mm thick, evaluate the magnetic field strength
An unknown mass of tin is heated to a temperature of 222 C. It is placed into 200 g of water which is in a 100 g copper cup initially at 10 C. What is the mass of the tin sample
Audio CD players read the data on the disc at a constant linear speed and thus must vary the disc's rotational speed as the reading position moves from the inner edge to the outer edge. What is the required angular speed of the disk
The mass of the Earth is 5.98 ? 1024 kg, and the mass of the Moon is 7.36 ? 1022 kg. Locate the center of mass of the Earth-Moon system as measured from the center of the Earth
A series RLC circuit is connected across a 10.0 kHz source. The 1.2 H inductor and 1000 ? resistor are fixed whereas the capacitor is variable. At what capacitance will the current in the resistor be a maximum
Water flowing through a hose at 4 m/s fills a 900L child's pool in 8 min, What is the diameter in cm of the hose
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