The following data were obtained by observing a falling body: Speed. ft/sec Time, sec 2.50 0 5.68 0.100 9.00 12.20 15.00 0.200 0.300 0.400 a) Plot a curve showing the relationship between speed and time. Use time as the independent variable. b) What does the shape of the graph show? Calculate the slope of the graph. c) When did this body start to fall (when was its speed zero)?
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- Solve the following problems 1a. If a student Dawn drives 120 miles in 2 hours how fast was Dawn traveling? 1b. If another student Glenn travels at half the speed of Dawn how long will it take Glenn to drive the 120 miles 1c. If a person drives at 65 MPH how far will they have traveled in 123 minutes 1d. If a person travels for 3 hours at a certain speed, then travels for 2 hours at twice the speed of the first 3 hours and the total number of miles traveled is 280, what are the two speeds? 1e. If a person has 40 coins and half of them are dimes and the other half is nickels how much money does the person have totalOf the following, the longest is a a. 1.2 miles b. 1610m c. 63350 Inches d. 1760 yards 2 The maximum speed in SLEX is 100 km/H. How many miles will you travel per minute? 3. You are doing a project by mixing some concrete, and you've calculated according to the directions that you need six gallons of water for your mix. If you use the two-liter empty bottle of soda to measure your water, how many times will you need to fill it? 4. The density of seawater is 62.8 pounds/feet. How much is this density in kg/m³ 5. You want to check if the gold ring that your fiancée gave you is a "real gold". Upon weighing. the mass of the ring is 9.5 grams and using the water displacement method to determine the volume, and it overflow 0.6 mL. What is the density of your gold ring? Is the ring a real gold? Accepted density of gold is 19300 kg/m³.1. The sum of the digits of a 2-digit number is 10. If the number is divided by theunits digit, the quotient is 3 and the remainder is 4. Find the number. 2. t took a certain vehicle 3 hours to travel a distance of 120 km. On its wayback, it took him only 2 hours in traveling the same path. What was his averagespeed?
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