When coverting metric measures I am having a hard time understanding the coversion concept?
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When coverting metric measures I am having a hard time understanding the coversion concept?
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- How do you calculate the miles you are getting per gallon of gasoline if you record the mileage readings from your car’s odometer each time you fill up the gas tank? Two odometer readings should be inputted, one reading is before you fill up the gas tank, and the second reading is when you refill the gas tank. The third input is the quantity of gallons of gasoline purchased when the gas tank is refilled. After inputting these 3 values, calculate and output: The miles traveled between gas refills The average miles per gallon based on the miles traveled and the amount of gasoline purchased after the time the gas tank is refilled (Use sequential structure)The answer is 30 but I don't know how it arrived at that answer! Please explainAlready posted this question... still confused. The person who answered it before doesnt explain how or where they got the some figures from.
- If a radar unit measures that speed of an object 3 times and the results of 300km/hr, 297 km/hr, 302 km/hr, then what is the percent difference of the device? Answer: 100 xWhat it the magnitude of the uncertainty (the ± error) in the following measured value: 45,420A common unit for speed used in sailing is the knot (nautical miles per hour). A nautical mile is about 1.15 regular miles. Calculate how much further (in feet) a boat moving at 22 knots will travel in 5 minutes compared to a car moving at 22 mph during the same time.
- I have an homework where I was asked to get a generic 12 in/30 cm ruler and then answer the question in bold: Look at the smallest division and record what the uncertainty ▲x is of your tool. I am not sure how to ansswer this. Note: the previous question asked me to choose a unit of measurement on our tool which is the ruler and I choose inches (I hope that is a unit of measurement).Suppose your speedometer has an uncertainty of 4.5 km/h at a speed of 92 km/h. If the speedometer has the same percent uncertainty when it reads 55 km/h, what is the highest speed, in kilometers per hour, that you might be going? If the speedometer has the same percent uncertainty when it reads 55 km/h, what is the lowest speed, in kilometers per hour, that you might be going?The world population in billions is approximately P = 7.4e0.010" where t is in years since 2016. Estimate the relative rate of change of population in 2020 using this model and the values of At below. Round your answers to three decimal places. (a) At = 1 The relative rate of change is % per year. the absolute tolerance is +/-0.001 (b) At = 0.1 The relative rate of change is % per year. (c) At = 0.01 The relative rate of change is % per year.
- A measurement of the circumference of a disk has an uncertainty of 2.6mm. How many mea-surements must be made so that this circumference can be estimated with an uncertainty of only0.52 mm?Run up a flight of stairs as fast as you can, measure the time it takes and the height of one stair, and count the number of stairs. If you don't know your weight, measure that too. These measurements need not have three significant digits, but the calculated values do. Recall that 1 inch is about 2.54 centimeters, and 2.2 pounds is the weight of about 1 kg of mass.weight = 148.5 poundstime = 1.66 sheight of one stair = 18.5 cm, number of stairs = 12a. What is your power while running up stairs? Include units in your answer. b. The human body has an efficiency of about 28 percent. If you could maintain this stair-climbing pace around the clock, you could consume how many calories of food energy each day and not gain weight? (1 food calorie = 4186 joules). The average distance between Earth and the Sun is 1.5×1011m.1.5×1011m. (a) Calculate the average speed of Earth in its orbit (assumed to be circular) in meters per second. (b) What is this speed in miles per hour? Thank you