Answers: 1
Physics, 21.06.2019 21:50
Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?
Answers: 2
Physics, 22.06.2019 03:30
Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n
Answers: 1
Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
Physics, 22.06.2019 23:00
Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings
Answers: 1
Astudent says that a speed of 50 m/s is faster than a speed of 140 km/h because the number is bigger...
Social Studies, 18.09.2019 11:20
History, 18.09.2019 11:20
Mathematics, 18.09.2019 11:20
Mathematics, 18.09.2019 11:20
History, 18.09.2019 11:20
Biology, 18.09.2019 11:20
English, 18.09.2019 11:20
Mathematics, 18.09.2019 11:20
Mathematics, 18.09.2019 11:20
Mathematics, 18.09.2019 11:20