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A: Lines per mm, N = 600 lines/mmDistance between grooves, d = ? Note that:1 mm = 10^-3 m1 μm = 10^-6 m
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Sho that the expression v=vo t at is dimensionally correct.where v and vo represent velocities,a is acceleration and t is a time interval.
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- The maximum speed limit on many roads in the US is 65 mi/h. What is this speed in meter per second (m/s) if 1 mile is 1.609 km?Using dimensional symbols prove that following equation are correct. 1) s=ut², if s= distance, u = initial velocity, t= time, a= accelerationVelocity is measured in units of? choose all that apply: m/s^2, km/h^2, km/h, miles/minute, km/days, mph
- Please I don’t understand this problem help me to solve step by step and give answer in 3 significant figurespls follow the units for A. km/h and for B. m/s^2Hi I am in phyiscs I and it has the problem a runner ran the marathon (approx. 26.1) in 2 hours and 57 min. What was the average speed of the runner in m/s? I understand that I would have to divide the total distance by the total time, but I'm not sure how they changed the miles to meters. Please break it down so I can understand. I tried to solve it how you guys did it but I keep getting another answer. Thank you!
- The following times are given using metric prefixes on the base SI unit of time: the second. Rewrite them in scientific notation without the prefix. For example, 47 Ts would be rewritten as 4.7 × 1013 s. (a) 980 Ps; (b) 980 fs; (c) 17 ns; (d) 577 μs.The displacement of an object moving under uniform acceleration is some function of time and the acceleration. Suppose we write this displacement as s = kamtn, where k is a dimensionless constant. Show by dimensional analysis that this expression is satisfied if m = 1 and = 2. Can the analysis give the value of k?H9. The running distance of an athlete is 250.00 m, the measurement error is 0.05 m, and the running time is 28 seconds. The measurement error of the running time is given as 0.1. Find the athlete's pace and the error in his pace
- Hi I am in phyiscs I and it has the problem a runner ran the marathon (approx. 26.1) in 2 hours and 57 min. What was the average speed of the runner in m/s? I understand that I would have to divide the total distance by the total time, but I'm not sure how they changed the miles to meters. Please detalied steps of how to solve this so I can understand it. Thank you!5. (Tricky problem) A baseball is thrown with a speed of 83 mile per hour. What is this speed in centimeters per seconds (cm/s)? Start with x _______….. =A car traveled at a rate of 50 km/hr for 8 minutes and then at 25 km/hr for 7 min and finally at 20 km/hr for 2 min. What is APPROXIMATELY the average speed for the complete trip * ?of the car in (m/sec)