13. The motion of a particle is given by the equation s = 2t -+ 2t? where s is in meter and t in seconds. Compute the values of v and a when t= 2 seconds.
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- Part II. Significant Figures The significant figures in a number are all figures that are obtained from the measuring process and exclude those zeros that are included solely for the purpose of locating the decimal point. This definition will be clarified with a number of examples. Number 123 12.3 2016 2.016 2.016 X 10³ 2.01 X 10¹ 2.0 X 10³ 2 X 10³ 10³ 410 410. 4.1 X 10² 4.10 X 10² 41.0 .00159 1.59 X 10 3 0.2 Significant Figures CommentsIt's showing that b is not correct. Thank you for your help with this practice problem.16. The number of seconds in 1 week when expressed in scientific notation rounded to the nearest tenths: * 6.0 x 105 s О 7.1 х 106s О 3.3х 107 s O 8.2 x 108s
- The speed of sound is 1100 ft/sec at sea level. a. Express the speed of sound in mi/hr. b. Change the speed of sound to mi/year. Let 365 days=1 year.A stone is tossed into the air from ground level with an initial velocity of 30 m/s. Its height at time t is h(t) : 30t – 4.9t2 m. Compute the stone's average velocity ū in m/s over the time intervals [2, 2.01], [2,2.001], [2,2.0001] and [1.9999, 2], [1.999, 2], [1.99, 2]. (Use decimal notation. Give your answers to three decimal places.) Ū12,2.01] = m/s Ü12,2.001] = m/s U12,2.0001] = m/s22. Carry out the operation. Express the answer by rounding it off to the correct significant figures. (7.8 0.34) / (1.15 +0.82) - 3.8 3.79 3.78 3.787
- 1.0 m minus 993 mm with correct significant figuresIf an equation is not dimensionally correct, does that mean that the equation cannot be true? a. yes b. noJazmin picks up her friend who lives in another city and they head north on a road trip .jazmin looks at a map and sees that after 2 hours of driving,they are passing mileage marker 92 on highway 105 .After driving for 12 hours, they pass. Mileage marker 542. What is jazmins average rate during the road trip?