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- Which of the following will emit an EM WAVE? Choose all that apply. A positive ion that is speeding up from 2800 m/s to 3000 m/s. A proton moving at a constant velocity of 50 mph due north. A neutron that is slowing down from 400 km/h to 350 km/h. A negative ion moving in a circle while traveling at a constant speed of 40 in/min. An electron that is stationary.1. If a subatomic particle moves close to the speed of light. Its decay would occur ___? 2. A space explorer travels between asteroids that are 100 000 m apart. His/her space probe travels with constant speed of 0.8c=2.4x108 m/s. What is the time of the trip between asteroids measured by observer on one of the asteroids? Write your answer rounded to 2 decimal places in ms_____10. Which of the following observations can be seen when you shine a red light in a white paper with red and green dots? i. White paper appears white. ii. Red dots can be still be seen. iii. Green dots appear black. a. i only b. iii only c. i and iii d. ii and iii _____11. What two principles make up the theory of special relativity? a. Principle of mass and the principle of nuclear forces b. Principle of nuclear forces and the principle of the speed of light c. Principle of relativity and the principle of mass d. Principle of relativity and the principle of the speed of light _____12. This theory explains how space and time are linked for objects that are moving at constant speed in a straight line. a. Electromagnetic theory c. Newton’s law of universal gravitation b. Kepler’s law of planetary motion d. Special Theory of Relativity
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