Answers: 2
Physics, 21.06.2019 23:20
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
Physics, 22.06.2019 06:00
Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h
Answers: 1
Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Physics, 22.06.2019 11:00
The dot diagram represents the motion of the motorcycle as it moves from left to right
Answers: 3
Which of the following is a mixture?
steel
water
oxygen
gold...
steel
water
oxygen
gold...
Social Studies, 14.12.2020 16:10
Mathematics, 14.12.2020 16:10
History, 14.12.2020 16:10
Mathematics, 14.12.2020 16:10
Health, 14.12.2020 16:10
Mathematics, 14.12.2020 16:10
History, 14.12.2020 16:10
Biology, 14.12.2020 16:10
Medicine, 14.12.2020 16:10
Geography, 14.12.2020 16:10
Mathematics, 14.12.2020 16:10
History, 14.12.2020 16:10