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A race car accelerates uniformly as it leaves the pit area, going from rest to 330 km/h in a semi circular arc with a radius of 200 meter.
Find the tangential acceleration of the car when it is halfway through the turn, assuming constant tangential acceleration.
m/s2
Find the radial acceleration of the car at this time.
If the curve were flat, compute what would the coefficient of static friction have to be between the tires and the roadbed to provide this acceleration with no skidding or slipping?
A 54 kg ice skater is moving at 39 m/s when she grabs theloose end of a rope, the opposite end of which is tied to apole. What is the ratio of this force to her weight
A reading on a Geiger counter of 0.23 mrad/h is based on assuming that the measured radiation is due to cesium-137, How many ?-rays does the person's body absorb every second
The absolute uncertainty written in the form
The current in a long solenoid of 95 turns generates a magnetic flux within it of 65.0 mWb per turn. what will be the induced emf
What is the total work W_fric completed on the block by the force of friction as the block moves a distance 8 rm m up the incline.
a pendulum of period 2 s is released from rest at an inclination of 5 degrees to the downward vertical. what is its
Consider a person that is nearsighted and can clearly focus on objects that are no farther than 2.8 m away from her eyes. Now suppose she borrowed a friend's glasses that make things worse; that is, the person can now focus only on things that are w..
a real object is located at the zero end of a meter stick. a large concave mirror at the 100 cm end of the meter stick
Consider two planets in space that gravitationally attract each other. If the mass of one planet is increased six-fold, then the force between them changes by what factor
A mass-spring system oscillates with an amplitude of 3.40 cm. If the spring constant is 248 N/m and the mass is 421 g, Determine the maximum speed of the object
two grounded conducting plans meet at an angle 90 degrees at the origin. a point charge q is a distance r0 from the
Three identical stars of mass M = 1.9 x1030 kg form an equilateral triangle that rotates aroundthe triangle's center as the stars move in a common circle aboutthat center. The triangle has edge length L = 7.1 x1010 m. What is the speed of the star..
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