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At what maximum speed can a car negotiate a turn on a wet road with coefficient of static friction 0.205 without sliding out ofcontrol? The radius of the turn is 26.0 m.
A plane flies north at 75m/s with respect to the air. The wind blows southeast (45) at 30 m/s. What is the resultant vector for the velocity of the plane
q. in a youngs interference experiment the two slits are separated by 0.17 mm and the incident light includes two
Four identical charges (+2.9 μC each) are brought from infinity and fixed to a straight line. Each charge is 0.33 m from the next. Determine the electric potential energy of this group.
A microphone is attached to a spring that is suspended from the ceiling. Directly below on the floor is a stationary 440 Hz source of sound. The microphone oscillates up and down in simple harmonic motion with a period of 2.0s.
Historians plan to use these records to learn about African Americans in Coles County's history. They first choose an SRS of 395 records to check their accuracy by visiting the actual gravestones.
A 100kg cannon at rest contains a 10kgcannonball. when fired, the cannonball leaves the cannon with avelocity of 90m/s. what is the magnitude of the recoil speed of the cannon
A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.602 and the coefficient of kinetic friction is 0.327. How much force is needed to begin moving the book
A cord is 20cm long, four complete waves fit along its length when vibrated 30 times per second for the waves on the cord. What is the wavelength? What is the frequency? What is the speed?
A piece of Nichrome wire passes a current of 0.933 A when a potential of 1.64 Volts is applied. What is the resistance of the wire
A 2.2mH inductor is connected in parallel with a variable capacitor. What is the minimum oscillation frequency for this circuit
Assume that eight identical uncharged particles of mass m and spin 1/2 are contained in a one-dimensional box of length L. What is the ground-state energy of this system? Express your answer using m, L, and h, to represent m, L, and Planck's constant..
A 1.00 kg beaker containing 2.0 kg of oil (density=916-kg/m3) rests on a platform scale. A 2.00 kg block of iron is suspended from a spring scale and is completely submerged in the oil.
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