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You are driving down a road at a constant speed of 17.8 m/s and another car drives toward you. (The other car is in the other lane, but you can neglect the slight lateral difference in the paths and treat the problem as if the car drives directly toward you. Or else suppose that you are foolishly playing "chicken" and it is driving directly toward you.) The other car has a constant speed of 20.1 m/s from the viewpoint of someone standing by the side of the road. If you sound your horn at 455 Hertz, obtain what frequency do the people in the other car hear?
a 3-kg object moving to the right on a frictionless horizontal surface with a speed of 2 ms collides head-on and sticks
A proton of mass mp and charge qp =e, deuteron of mass 2mp and charge qd =e, Find the velocities and derive the radii of the paths for deuteron and alpha particle in term of the mass and charge of proton
an electron has a momentum that is 90 larger than its classical momentum.a find the speed of the electron.b how would
A diver of mass 68 kg stands at the end of a uniform diving board of mass 16 kg and length 4:5 m, Calculate the magnitudes of the forces exerted by the pedestals on the diving board
A rocket starts from rest and moves upward from the surface of the earth, What is the speed of the rocket when it is 340m above the surface of the earth
A simple pendulum consists of a small object of mass m (the "bob") suspended by a cord of length l of negligible mass. A force F is applied in the horizontal direction (so F is Fi), Determine the work done by the gravitational force on the bob
A river ?ows at a speed vr = 5.85 km/hr with respect to the shoreline. A boat needs to go perpendicular to the shoreline to reach a pier on the river's other side, determine the width of the river
q. a cardinal richmondena cardinalis of mass 3.90times10-2 and a baseball of mass 0.144 have the same kinetic energy.
A hydrogen atom in a state having a binding energy of 0.85 eV makes a transition to a state with an excitation energy of 10.2 eV, Determine the energy of the photon emitted as a result of the transition
A 6.00kg ball is dropped from a height of 11.0m above one end of a uniform bar that pivots at its center. The bar has mass 7.50kg, How high will the other ball go after the collision
What is the critical angle for light at the glass-liquid interface when the glass with n = 1.54 is immersed in water
At our distance from the Sun, the intensity of solar radiation is 1370 W/m2. The temperature of the Earth is affected by the greenhouse effect of the atmosphere.
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