A person pushes at a 0.5m wide door and makes its edge accelerate at 3m/s2. What is its angular acceleration?
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- 1. Multiplication or division: keep the same number of significant figures in the product or quotient as is in the least precise factor. Examples: 3.1 * 25.6=79.360000... = 79 6.7/981.0=0.0068297655... = 0.0068 keep only 2 significant digits 2. Powers or roots: keep the same number of significant figures as in the original number. Example: Sqrt(38) 6.164414... keep only 2 significant digits = 6.2 (11.6)² = 134.5600000... = 135 Exercises 3. Addition or subtraction: Round off, to the number of decimal places determined by the number with the least number of places beyond the decimal point. Example: 31.5+24.61 +3.28+1.19 +0.762 +0.003 = 61.345 1. 3.9 * 78.9= = 61.3 (correct result) 2. 32.01 +96.321 +36.98 +0.00023 +28.9= 3. 26.9/98 = 4. 421 0.003 =5) PLEASE BE CLEAR ON YOUR RESPONSE AND ACCURACY, THANKS.4) Please need the correct answer to this problem with a full explanation and methods and how you get the answer, please.
- 10 mL 9 24 mL 8 mL 7 Measuring Тool 25 mL 7 mL Volume, mass and/or length measurement (with units) Measuring Тol 8 cm 9 cm Volume, mass and/or length measurement (with units) Page 13 of 14Which of the following gives the correct solution(s) for the equation 2x = x - 4 ? O A. no solution O B. {2} O C. {8} O D. {2,8}Draw direction vectors in unit cells for the following cubic directions: a) [1 -2 3] b) [1 0 -3]
- -1 3. -2 х + 4, 9. Solve X' subject to 3 3 X(0)10) The speed limit on some interstate highways is roughly 120 km/h. a) What is that speed in meters per second? b) How many miles per hour is this?8.A man is driving at a speed of 90km/h for 2 hours and slowed down to 82km/h for 1.5 hours. What is the total distance in km A) 303 km b) 322 km c) 345 km d) 367 km