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The school bus picks up Brian in front of his house and takes him on a straight-line 3.4 km bus ride to school in the positive direction. He walks home after school. If the front of Brian's house is the origin,
(a) what is the position of the school,
(b) what is his displacement on the walk home, and
(c) what is his displacement due to the combination of the bus journey and his walk home?
What is the least thickness of a soap bubble film (n = 1.38) on which light of wave length 610nm shines, assuming one observes constructive interference of the reflected light.
Now suppose that the two masses continue to move at the speed from Part A until they encounter a rough surface. The coefficient of friction between the masses and the surface is . If the blocks come to rest after a distance, which of following equ..
A stone with a mass of 0.80 kg is attached to one end of a string 0.900 m long. The string would break if its tension exceeds 600-N.
Consider an electron moving with a speed of 8.60 106 m/s at right angles to a constant magnetic field, with B = 1.9 T
A professor's office door is 0.80 wide, 3.0 high, and 5.0 thick; has the mass of 25; and pivots on frictionless hinges. A "door closer" is attached to the door and the top of door frame.
A train at rest emits a sound at a frequency of 1045 Hz. An observer in a car travels away from the sound source at a speed of 37 m/s.What is the frequency heard by the observer . What must be the result have been for the horizontal speed.
A proton is introduced at rest at a distance of 2 x 10^-14 from a bare nucleus of uranium, What is its kinetic energy in eV when it is expelled to infinity
Block 1, of mass m1 = 1.70kg , moves along a frictionless air track with speed v1 = 25.0m/s, Find the magnitude pi of the total initial momentum of the two-block system
What is the velocity of 5.5kg object with a force of 2.5N while it reaches 6.0 meters, assuming the velocity at zero meters is zero.
A particular fish tank filled with fresh water (n=1.33) has a coral reef sticker stuck to an exterior wall(outside of the tank). What is the index of refraction of the tank's walls
A parallel plate capacitor has a capacitance of 4.5 µF when filled with a dielectric. The area of each plate is 3.3 m2 and the separation between the plates is 8.00 10-5 m. What is the dielectric constant of the dielectric?
Suppose that 1.05 108 J of this energy flows directly into the surroundings (engine block and exhaust system) in the form of heat. If 6.0 105 J of work is required to make the car go one mile, expalin how many miles can the car travel on one ga..
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