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An 855 kilogram sports car can drive around an unbanked turn at a maximum speed of 60 m/s without slipping. The turn has a radius of curvature of 180 meter. Air flowing over the car's wing exerts a downward-pointing force (called the down force) of 2400 Newton on the car.
(a) Find the coefficient of static friction between track and car's tires?
(b) Find the maximum speed if no down force acted on the car?
an rlc oscillator circuit contains a 63.0 ohm resistor and a 1.80-mh inductor. what capacitance is necessary for the
A stamp collector is viewing a stamp with a magnifying glass held next to her eye. What is the refractive power of a magnifying glass that has an angular magnification of 7.5
Calculate the doppler shift of x rays emitted from shocked silicon in a supernova remnant of the ejected material is moving at 5000 km/sec
You want to estimate the height of the Empire State Building. You start at its base and walk 15 m away. Then you approximate the angle from the ground at that point to the top to be 88 degrees. How tall do you estimate the Empire State Building to..
A fellow astronaut passes by you in a spacecraft traveling at a high speed. The astronaut tells you that his craft is 20.0 m long and that the identical craft you are sitting in is 19.0 m long. According to your observations,
A single-turn plane loop of wire with a corss-sectional area 200cm^2 is perpendicular to a magnetic field that increases uniformly from 0.200T to 2.800T in 2.20 seconds. What is the magnitude of the induced current if the resistance of the coil is 8...
A series RLC circuit with R = 43 Ohms , L = 270 mH , Find the maximum frequency of the frequency range over which the peak current will exceed half its value at resonance
Each plate of a parallel-plate capacitor is a square of side 3.89 cm and the plates are separated by 0.539 mm. Find the electric field strength inside the capacitor
a near-sighted person might correct his vision by wearing diverging lenses with focal length f 60 cm. when wearing his
An ideal gas is taken through a Carnot cycle. The isothermal expansion occurs at 240°C, and the isothermal compression takes place at 50.0°C. Find the energy expelled to the cold reservoir in each cycle
A proton accelerates from rest in a uniform electricfield of 670 N/C. At some later instant,its speed is 1.60 X106 m/s(nonrelativistic, because v is much less than the speed of light). Find the acceleration of the proton.
A bicycle is turned upsdie down and has one wheel spinning at 95.0 rpm. The wheel slows uniformly to a stop in 45.0 seconds. If the wheel were on the ground, what linear distance (in meters) would it travel
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