Engineering, 11.02.2020 23:26 carebear147
To be able to add and subtract vectors using geometric and vector addition. A brother and sister are playing in the woods, when suddenly the brother realizes that they are separated. The last place he remembers seeing his sister is at a particularly large tree. The brother traveled d_1 = 23.5 mat theta_1 = 25.5 degree from the tree then turned and traveled d_2 = 12.0 m at theta_2 = 137 degree. Meanwhile, the sister traveled d_3 = 18.5 m at an angle of theta_3 = -110 degree from the tree. The angles are given with respect to east with counterclockwise being defined as positive Using the parallelogram law to add these vectors geometrically, determine the displacement of the boy relative to the tree. Express your answers, separated by a comma, to three significant figures. Enter the angle measured counterclockwise from the positive x axis. Displacement from the boy to the girl Using the method of vector addition by components, determine the displacement from the boy to the girl. Express your answers, separated by a comma, to three significant figures. Enter the angle measured counterclockwise from the positive x axis.
Answers: 2
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 03.07.2019 23:20
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
Answers: 3
Engineering, 04.07.2019 18:10
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
Answers: 3
Engineering, 04.07.2019 18:10
Slip occurs via two partial dislocations because of (a) the shorter path of the partial dislocation lines; (b) the lower energy state through partial dislocations; (c) the charge balance.
Answers: 1
To be able to add and subtract vectors using geometric and vector addition. A brother and sister are...
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