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Ancilla applies a force of 200 N [E] horizontally to pull a 38 kg sled across the snow at a constant velocity for 200 m.
(a) Draw a FBD of the sled
(b) What is the magnitude of the force of friction on the sled?
(c) What is the magnitude of the force of gravity on the sled?
(d) What is the magnitude of the normal force on the sled?
(e) What is the coefficient of kinetic friction between the sled and the snow?
(f) How much work did Ancilla do on the sled?
(a) State the steady-state form of the differential mass balance for diffusion in a sphere with no convection or reaction. (b) State the boundary conditions (c) Solve to obtain the concentration distribution in the membrane
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The component of the external magnetic field along the central axis of a 12-turn coil of radius 27 centimeter decreases from 1.90 T to 0.650 T in 3.10 second. obtain the magnitude of the induced current in the coil
A marathon runner completes a 42.188-km course in 2 h, 21 min, and 23 s. there is an uncertainty of 30 m in the distance traveled and an uncertainty of 1 s in the elapsed time. Compute the percent uncertainty in the distance.
Compute the critical edge load NxCR for a plate simply supported around the boundary, with length a = 2 m (along x), width b = 1 m, t = 1 cm.
Determine the autocorrelation of the rectangular pulse and plot it against & T.
I hold a flat mirror 24.6 cm in front of my face. There is a freckle on my face 1 mm in diameter. Find the angular size of the freckle on the image of my face as viewed by my eye
A cylinder contains 23 moles of an ideal gas at a temperature of 300 K. The gas is compressed at constant pressure until the final volume equals 0.43 times the initial volume.
Find the speed of the car when brakes were applied.
If neutrons were in thermal equilibrium at temp of 300k, what is there average kinetic energy? What is the de Broglie wavelength of these thermal neutrons
An elderly sailor is shipwrecked on a desert island, but manages to save his eyeglasses. What is the magnifying power of the telescope he can construct with these lenses
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