An unknown particle in an accelerator moving at a speed of 2.00 × 10^8 m/s has a measured total energy of 1.22 × 10^-9 J. What is its mass? (c = 3.00 × 10^8 m/s)
a. 1.49 × 10^-26 kg
c. 0.810 × 10^-26 kg
b. 0.650 × 10^-26 kg
d. 1.01 × 10^-26 kg
D
Physics & Space Science
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A) 442 Hz B) 351 Hz C) 419 Hz D) 322 Hz E) 670 Hz
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A traveler pulls on a suitcase strap at an angle 36° above the horizontal. If 908 J of work are done by the strap while moving the suitcase a horizontal distance of 15 m, what is the tension in the strap?
A) 75 N B) 61 N C) 85 N D) 92 N
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