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Two narrow slits are .025 mm apart. When a laser (λ = 633nm) shines on them, bright fringes form on a screen that is a meter away. These fringes are 3.0cm apart. What is the separation among the second order the central fringe and bright fringe?
Lasers can be utilized to drill or cut material. One such laser generates a series of high-intensity pulses rather than a continuous beam of light. All pulse contains 0.500 J of energy and lasts 10 nanoseconds. The laser fires ten pulses per second.
A 1250 kg car is moving at 12.3 m/s. Then, 243 kJ of work is done on the car to increase its speed. What will be the car's new speed
A 965-kg satellite orbits the Earth at a constant altitude of 94-km. What is the change in the system's potential energy
A small statue is recovered at an archeological dig. Its mass is measured to be 386 kg and its volume is 0.02 m3. What is the mass density of the statue
A hammer taps on the end of a 4.20 m-long metal bar at room temperature. A microphone at the other end of the bar picks up two pulses of sound, What is the speed of sound in this metal
A solenoid is to be constructed that will have a resistance of 5.00 ohms and produce a magnetic field of 0.0400 T at its center when it carries a current of 4.00 A. The solenoid will be made of wire that is 0.500 mm in diameter and have a radius that..
a 30 year old women takes a trip on a rockect leaving her 30 year old brother behind. She travels at a speed of .8c and is gone for 20 years, how many years older/younger is she than her brother
calculate and compare the electron densities of a piece of aluminum 1 cm thick and a piece of iron of the same density
W hat least energy an incident alpha particle must have to penetrate the gold nucleus. What is the direction of the carbon atom after the collision.
A copper ball with a radius of 1.1 cm is heated until its diameter has increasedby 0.23 mm. Assuming a roomtemperature of 22°C, find the final temperature of the ball
A glass sphere has radius R = 6.4 cm and index ofrefraction 1.7. A paperweight is constructed by slicing through thesphere along a plane that is 2.0 cm from the center of the sphere,leaving height h = 4.4 cm.
A particle with a mass of 3.00 10-20 kg is oscillating with simple harmonic motion with a period of 3.50 10-5 s and a maximum speed of 8.00 103 m/s. Calculate the angular frequency of the particle
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