An airplane travels from st. louis to portland, oregon in 4.33 hours. if the distance traveled is 2,742 kilometers. what is the airplane's average speed? - the airplane returns to st. louis by the same route. because the prevailing winds push the airplane along, the return trip takes only 3.75 hours. what is the average speed for this trip? - the airplane refuels in st. louis and continues on to boston. it travels at an average speed of 610 km/h. if the trip takes 3.75 hours. what is the flight distance between st. louis and boston?
Answers: 3
Physics, 21.06.2019 17:30
Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?
Answers: 3
Physics, 22.06.2019 09:00
When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.
Answers: 1
Physics, 22.06.2019 13:30
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
Answers: 2
Physics, 22.06.2019 14:00
How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c
Answers: 3
An airplane travels from st. louis to portland, oregon in 4.33 hours. if the distance traveled is 2,...
Social Studies, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
English, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
History, 15.09.2020 01:01
History, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01