Physics, 16.10.2020 04:01 queenhall934
if an arrow is aimed at 45.0° angle, and needs to land 90.4 m away, how fast should it be fired? (unit= m/s)
Answers: 1
Physics, 21.06.2019 17:10
Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) sketch the trajectory using an appropriate coordination system. b) how long for the projectile to reach the ground. c) how far did projectile travel horizontally before striking the ground. d) determine the projectilex & y position at t-1.3s e) determine the magnitude and direction of projectile velocity at t= 1.3s f) determine the magnitude and direction of projectile acceleration at t-1.3s
Answers: 1
Physics, 22.06.2019 15:20
Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2
Answers: 2
Physics, 22.06.2019 15:30
An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?
Answers: 1
if an arrow is aimed at 45.0° angle, and needs to land 90.4 m away, how fast should it be fired? (un...
English, 05.05.2020 00:02
Computers and Technology, 05.05.2020 00:02
Mathematics, 05.05.2020 00:02
Mathematics, 05.05.2020 00:02
Mathematics, 05.05.2020 00:02
Mathematics, 05.05.2020 00:02
Biology, 05.05.2020 00:02
Mathematics, 05.05.2020 00:02