In a speedometer test zone on a highway, you drive 4 miles in 5 minutes. During the test, your speedometer reading is 45 mi/hr. Your speedometer reading is
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In a speedometer test zone on a highway, you drive 4 miles in 5 minutes. During...
You drive through a school zone at 46 km/hr, what was your speed in miles-per-hour? 28.6 mph 15.15 mph 12.2 mph 34.3 mph
During a spate of stop-and-go traffic on the highway, you are twiddling your thumbs, waiting for the traffic to start moving when a truck rear-ends you, boosting your car's speed to 5 mi/hr. The truck's speed is 1.75 mi/hr after the collision. What was the truck's speed before it collided with you? Assume that the truck is about 4 times more massive than your car. Also, assume that you can neglect effects like friction.
You start out by driving 185 miles north in 4 hours and 28 minutes, and then you stop and park for a while. Finally you drive another 142 miles north in 2 hours and 35 minutes. The average velocity for your entire trip was 37.11 miles per hour. How much time did you spend parked? a. 0hr and 52min b. 8hr and 48min c. 1hr 45min d. 3hr 31min
A test driver at Incredible Motors, Inc., is testing a new model car having a speedometer calibrated to read m/s rather than mi/h. The following series of speedometer readings was obtained during a test run: Time (s) 0 2 4 6 8 10 12 14 16 Velocity (m/s) 0 0 2 5 10 15 20 22 22 By measuring the slope of your curve, find the magnitude of the instantaneous acceleration at time t = 9 s. By measuring the...
You start out by driving 282 miles south in 2 hours and 44 minutes, and then you stop and park for a while. Finally you drive another 31 miles south in 3 hours and 29 minutes. The average velocity for your entire trip was 32.30 miles per hour to the north. How much time did you spend parked?
5) The distance between Albany to Atlanta is 221 miles. If you drive 68 miles per hour, how long will the trip take?
14. (5 pts) A motorist drive East for 30 minutes at 50 mi/hr, then stops 1/2 hour for lunch. She continues East 120 miles in 2 hours. (a) What is her total displacement? (b) What is her average speed? 15. (2 pts) Can a car have a Northward velocity and a Southward acceleration. Explain. 16. (5 pts) A carpenter tosses a hammer vertically to a friend working on a roof 25 ft above him. A) Draw a diagram showing relevant...
1a. You start out by driving 271 miles south in 2 hours and 15 minutes, and then you stop and park for a while. Finally you drive another 255 miles south in 3 hours and 55 minutes. The average velocity for your entire trip was 2.08 miles per hour to the north. How much time did you spend parked? b. A rocket-powered sled moves along a track, eventually reaching a top speed of 190 m/s to the east. It then...
Problem B) If you drive your car for 30 miles to the west, then 20 miles north of east at 60◦ and then 5 miles south, what is the displacement of your car from the origin in unit vector notation? What is the magnitude and direction of the displacement? Draw a diagram.
2.You start out by driving 91 miles south in 2 hours and 43 minutes, and then you stop and park for a while. Finally you drive another 76 miles north in 2 hours and 50 minutes. The average velocity for your entire trip was 2.16 miles per hour to the south. How much time did you spend parked? 0 hours 41 minutes 6 hours 56 minutes 1 hours 23 minutes 2 hours 46 minutes 3.A rocket-powered sled moves along a...