Answer the questions below. Use the rubric in the materials for help if needed. What is the difference between how digital and analog signals transmit data? Explain how this affects each signal. Use details to support your answer.

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1Describe the ways you can change a sound wave’s pitch. There at least three we have studied this lesson. Describe how the intensity of the sound would change in each of these situations.   2An electron moves with an unknown velocity through a magnetic field of 1.56 T that points directly east. The electron experiences a force of 6.24 x 10-15 N directly south. What is the magnitude and direction of the velocity? Show your work. (The charge of an electron is -1.6 x 10-19 C)   3Explain the basic workings of an engine. Be sure to discuss the engine in terms of thermodynamic terminology. Give two examples of engines.     professor can you answer these questions please?

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A dart gun contains a spring of spring constant k = 16 N/m which is used to shoot a dart of mass m. The dart leaves the gun at a speed of v = 3.1 m/s after the spring is compressed 1 cm. what is the darts speed when it hits the floor (vf in m/s) if it is fired horizontally at a height of h = 2 m what angle in degree does the darts final velocity make with the horizontal?

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