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A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is 2.15 m behind the double slit. The central maximum of the diffraction pattern has a width of 4.30 cm, and the fourth bright spot is missing on both sides. What is the size of the individual slits?
What is the separation between them?
A 91.0-kg bungee jumper steps off a bridge with a light bungee cord tied to her and to the bridge. The unstretched length of the cord is 15.0 m. What time interval is required for the cord to stretch by 26.0 m
q1. suppose we had a rubber ball like the ones used for racquetball and put it inside a container with liquid nitrogen.
A Girl is pushing on a 45 kg dresser with 300 N of force. The dresser has a coeficient of statice friction of 0.83, How much is the force of friction on the dresser
To test the quality of a tennis ball, you drop it onto the floor from a height of 4.26 m. what is its average acceleration during that contact
If 0.2 kg of chai tea at 90 degrees C is poured into a 0.3 kg cglass cup(C=840 J/kg K) at 20 degrees C, what is the final temperature of the chai tea
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.6 m/s. How much time does it take until he catches his friend
A spaceship is coming directly toward you while you are in the international space station. You are told that the spaceship is shining sodium light. You have an apparatus that and resolve two closely spaced wavelengths if the difference is 0.55 nm. I..
A copper wire that is 1 mm thick and 30 cm long is connected to a 1 V battery. What is the power dissipated in the wire at this temperature
For the shear building shown, determine the natural frequencies (RAD/SEC) and the modal matrix. Also, sketch the deflected buildings in their normal modes using the top floor as the reference floor (set its displacement = unity). Finally, demonstr..
A 15 pF capacitor is charged to 1 kV and then removed from the battery and connected in parallel to an uncharged 65 pF capacitor, Find the change in energy
a satellite is describing a circular orbit about the Earth with speed V. The satellite is separated into two pieces by explosive bolts which gave them an equal but opposite velocity, Find the two new orbits
Amy (mass 60kg) and initial velocity +7.5m/s, is skating on ice toward Bob (mass 90kg) and initial velocity +4.0m/s. They collide at some point. Determine amys final speed
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