Physics, 02.07.2019 23:20 karaisabelhill
Review problem. sir lost-a-lot dons his armor and sets out from the castle on his trusty steed in his quest to improve communication between damsels and dragons (fig. p12.20). unfortunately his squire lowered the draw bridge too far and finally stopped it 20.0° below the horizontal. lost-a-lot and his horse stop when their combined center of mass is 1.00 m from the end of the bridge. the uniform bridge is 8.50 m long and has a mass of 2200 kg. the lift cable is attached to the bridge 5.00 m from the hinge at the castle end, and to a point on the castle wall 12.0 m above the bridge. lost-a-lot's mass combined with his armor and steed is 850 kg. suddenly, the lift cable breaks! the hinge between the castle wall and the bridge is frictionless, and the bridge swings freely until it is vertical.
Answers: 1
Physics, 21.06.2019 15:30
Which type of electromagnetic waves are dangerous enough to be used to kill cancerous cells? (a)gamma rays (b)visible light (c)infrared light (d)microwaves
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) determine the magnitude and direction of projectile velocity at t= 1.3s b) determine the magnitude and direction of projectile acceleration at t=1.3s
Answers: 3
Physics, 22.06.2019 08:30
A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?
Answers: 1
Physics, 22.06.2019 10:30
Carbon is allowed to diffuse through a steel plate 15 mm thick. the concentrations of carbon at the two faces are 0.65 and 0.30 kg c/m^3 fe, which are maintained constant. if the preexponential and activation energy are 6.2 x 10-7 m2 /s and 80,000 j/mol, respectively, compute the temperature at which the diffusion flux is 1.43 x 10^-9 kg/m^2 -s.
Answers: 3
Review problem. sir lost-a-lot dons his armor and sets out from the castle on his trusty steed in hi...
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