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Two cars emerge side by side a tunnel at exactly the same time. Car A is travelling with a speed of 60 km/hr and has an acceleration of 40 km/hr/min Car B has a speed of 40 km/hr and has an acceleration of 60 km/hr/min. Which car is passing the other just after they come out of the tunnel? Explain.
A wire of resistance 8 ohms and length 2.2 m is bent into a circle and is concentric by a solenoid in which the magnetic flux changes from 4 T *m^2 to 2 T*m^2 in 0.3 seconds. What is the emf in the wire? What is the current in the wire?
Two masses m and m, are joined by a spring with force constant k. What is the natural frequency of oscillation for this system
A loudspeaker diaphragm is oscillating in simple harmonic motion with a frequency of 330 Hz, What is the magnitude of the maximum acceleration
A barber's chair with a man it weighs 2100 Newton. The output plunger of a hydraulic system begins to lift the chair when the barber's foot applies a force of 55 Newton to the input piston. Find the ratio of the radius of the plunger to the piston
an electron has an initial velocity of 2.00 x 106 ms in a uniform 8.00 x 105 nc strength electric field. the field
Eliminating the daily snack food only?- Eliminating the daily snack food plus eating only one of these meals per day?
Two figure skaters, one weighing 625N and the other 775N , push off against each other on very smooth ice. If the heavier skater travels at 1.60m/s , how fast will the lighter one travel?
It is Possible for a large star (one greater than 1.4 Solar masses) to Gravitationally collapse, crushing itself into a tiny neutron star 50 km in diameter, WHat would be the spin rate for the resulting Neutron Star
A highway curve of radius 440 is designed for traffic moving at a speed of 85.0 . What is the correct banking angle of the road
Map out these voltage values and sketch a set of equipotential surfaces for V = -400V, -100V, 200V, 500V, 800V and 1100V.
A 20 kg crate is pushed across the floor at a constant velocity of 4 m/s with a force of 100 N. How much energy is lost to heat in the first ten seconds
A flat screen is located 0.657 m away from a single slit. Light with a wavelength of 511 nm shines through the slit and produces a diffraction pattern. The width of the central bright fringe on the screen is 0.0507 m. What is the width of the slit?
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