Asoccer player kicks a ball from the ground with a speed of 16 m/s at an angle of 63°.
...
Physics, 03.02.2020 21:58 stormserena
Asoccer player kicks a ball from the ground with a speed of 16 m/s at an angle of 63°.
a. what is the horizontal component of the velocity?
b. what is the vertical component of the velocity?
Answers: 2
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 21:00
On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
Answers: 3
Physics, 22.06.2019 22:00
If a hiker that weighs 600 newtons climbs a 50 meter hill, how much gravitational potential energy has the hiker gained?
Answers: 1
Chemistry, 25.06.2019 00:50
Mathematics, 25.06.2019 00:50
Mathematics, 25.06.2019 00:50
Mathematics, 25.06.2019 00:50
English, 25.06.2019 00:50