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Question1
Find out the normal force for a laundry basket with a mass of 3.4 kg in each of the following situations
(a) at rest on a horizontal surface
(b) at rest on a ramp inclined at 12° above horizontal
(c) at rest on a ramp inclined at 25° above horizontal
(d) at rest on a ramp inclined at 45° above horizontal
Question2
Some sliding rocks advance base of a hill with a speed of 16.0 m/s. The hill rises at 44.0 degrees above horizontal and has coefficients of kinetic and static friction of 0.420 and 0.580, respectively, with these rocks. Start each part of the solution to this problem with a free-body diagram.
An LC circuit is built with a 50mH inductor and an 8.0pF capacitor, The capacitor voltage has its maximum value of 40V at t=0s, What is the inductor current at that time
Suppose for a brief moment the gas molecules hitting a wall stuck to the wall instead of bouncing off the wall. How would the pressure on the wall be affected
Party stores sell small tanks containing 40 g of helium gas. If you use such a tank to fill 0.012 m^3 foil balloons, how many balloons can you expect to fill
Which is safer as a road material
An ideal gas is allowed to expand adiabatically until its volume increases by 50%. By approximately what factor is the pressure reduced
Two earthquake waves of the same frequency travel through the same portion of the Earth, What is the ratio of the amplitudes of the two waves
Block A of mass 3 kg slides into block B of mass 2 kg. Before collision, block A moves to the right with speed 10 m/s and block B is stationary, what is the kinetic energy change for the system
nozzle of a hose is pointing straight up. the water rises to a height h above nozzle openig. how high does the water rise
A group of hikers hears an echo 3 s after shouting. If temperature is 16°C, how far away is the mountain that reflected sound wave.
a proton moves vertically upward perpendicular to a uniform magnetic field and deflects to the right as you watch it. What is the direction of the magnetic field
Scientists are working on a new technique to kill cancer cells by zapping them with ultrahigh-energy (in the range of 1Ã-1012 Watts, What is the maximum value of the electric field in the pulse
Two charges are placed on the x axis. One of the charges (q1 = +6.95C) is at x1 = +3.00 cm and the other (q2 = -27.3C) is at x2 = +9.00 cm. Find out the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b..
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