Physics, 26.11.2020 22:50 genyjoannerubiera
A wind with speed 45 m/s blows across a roof 20 m long and 12 m wide. The pressure inside the room is 1 atm. What is the net force on this roof due to the pressure difference inside and outside the roof? (The density of air is equal to 1.3 kg/m3.)
A) 2.4 x107 N
B) 6.3 x 105 N
C) 3.2 x 105 N
D) 7.0 x 103 N
E) 3.2 x 108 N
Answers: 3
Physics, 21.06.2019 21:20
Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.
Answers: 1
Physics, 22.06.2019 08:20
A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?
Answers: 3
Physics, 22.06.2019 09:30
Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z
Answers: 3
A wind with speed 45 m/s blows across a roof 20 m long and 12 m wide. The pressure inside the room i...
Chemistry, 09.01.2021 05:00
History, 09.01.2021 05:00
Social Studies, 09.01.2021 05:00
Mathematics, 09.01.2021 05:00
Chemistry, 09.01.2021 05:00
Chemistry, 09.01.2021 05:00
Social Studies, 09.01.2021 05:00
Mathematics, 09.01.2021 05:00
Mathematics, 09.01.2021 05:00
Social Studies, 09.01.2021 05:10
Computers and Technology, 09.01.2021 05:10
Mathematics, 09.01.2021 05:10