Physics

Physics, 03.08.2019 02:00, nschavez123

What is speed and how do you calculate it

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Mathematics, 10.07.2019 01:20, erick7123

(b) use the your rewglts of part (a) to caloylate the exact valus of the following, (eave radicals, if any, in your anewers)s cos t sin e sin u tan s tan u 3. a farris whoel has radius 35 foet and it rotates at 1.4 revolutions per miute. (a) calculate its anrular speed in radians per minute. (b) calculate the linear speed of a point cn its rim in feet per minute. 4. the radius of each tire of a pick-up truck is 20 inches. it is moving at a speed of 72 miles per hour. (a) calculate its speed in inches per second. (b) calculate the angular speed of its tires in radians per second. (hint: make use of the linear speed in part (a) and the radius of the tires), (c) how many revolutions are the tires turning per second? round off to the nearest whole mumber. 2

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Physics, 22.07.2019 22:10, oliviakgobbell

Adisc rotates at a constant angular speed. the turn around time (t) is 0.5 seconds. a point x of the disc is located at a distance of 20 cm from the center. a: calculate the speed of the disc b: calculate the web speed of x c: calculate the angular speed of the disc d: calculate the midpoint angle over which the disc rotates in 4 seconds. e: calculate the path that the point x travels in 4 seconds. can someone solve this

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Physics, 22.08.2019 17:20, maya8909

Aboy walks a distance of 100 meters to the right at a steady speed of 1.00 m/s. then he stops for 30 seconds. then returns back and walks for 2 minutes to the left at speed of 1.5m/s. calculate the total time of his round trip. calculate the total distance. calculate the total displacement. calculate the average speed. calculate the average velocity

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Chemistry, 16.10.2019 20:10, emileep13

Your research director informs you that the molecules of a sample of gas at 397 k have a root‑mean‑square (rms) speed of 275 m/s and asks you to calculate the most probable speed and the average speed. also, while you're at it and before lunch, you should calculate the mass of a molecule.

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