#1. a car moving at the rate of 65 miles per hour passes a truck moving in the same direction at 38 miles per hour . what is the speed of the car to the nearest mile per hour from the truck frame of reference ? #2. the x-43 is the fastest aircraft ever. it flew a distance of 3,961 km from los angeles to new york at the speed of 11,265 km/h . how long did it take the x-43 to fly that distance? #3. a mail carrier walked six blocked to the north one block to the east , and then six blocks to the south. what is the mail carriers displacement ?
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Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical
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Aviolently rotating column of air is formed around a region of extremely low air pressure above land. which of these weather conditions is most likely to follow? blizzard cyclone tornado hurricane
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Physics, 23.06.2019 09:50
Which of the following describe possible scenarios? a) an object has zero instantaneous velocity and non-zero acceleration. b) an object has negative acceleration and is speeding up. c) an object has positive acceleration and constant velocity. d) an object has positive velocity and zero acceleration. e) an object has increasing positive position and negative velocity. f) an object has decreasing positive position and negative acceleration.
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Physics, 23.06.2019 17:00
A70 kg person standing in an elevator is accelerated upwards at a rate of 2.5 m/s2. what is the force of the elevator on the person? 770 n 250 n 875 n -525 n
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#1. a car moving at the rate of 65 miles per hour passes a truck moving in the same direction at 38...
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