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The force required to pull a body of mass 25kg upa plane inclined at an angle 30degree to the horizontal is 300N. calculate the coefficient of friction between the 2 surface in contact. Write the free body diagram.
The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.036 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.056 kg and is initially at re..
The length of a hollow pipe is 658 cm. The air column in the pipe is vibrating and has four nodes. Find the frequency of the sound wave in the pipe
consider a square of side 61 cm. let one corner point p be charge-free while the other three of the four corners have
A wave on a string is described by D(x,t) = (1.2 cm)sin[2 pi (x/(3.9 m) + t/(0.4 s) + 1)], where x is in m and t is in s. What is the wave number
a convert 1.05 bar to torr using the relationships 1 bar 105nbsppa and 1 atm 1.013times105nbsppa 760 torr. express
A rope, assumed massless, is stretched horizontally between two supports that are 3.43 m apart. obtain the tension in the rope
Given the Sun's distance from the center of the Milky Way and the Sun's period of revolution, how can we determine a lower bound for the mass of the Milky Way galaxy?
A 2.0 cm thick bar of soap is floating on a water surface so that 1.3 cm of the bar is underwater. What is the depth of the oil layer when the top of the soap is just level with the upper surface of the oil
Two stationary point charges of 4 nC and 2 nC are separated by a distance of 60 {rm cm}. An electron is released from rest at a point midway between the charges and moves along the line connecting them. What is the electric potential energy of the..
A balloon with a radius of 14cm and an electric charge of 3.75x10^-9 C is brought within the electric field of the larger balloon so their centres are 40cm apart. find the magnitude of the electric force exerted by this electric field on the small..
A triangle has its corners located at the points (x,y) = (12.00,15.00), (x,y) = (9.00,8.00) and (x,y) = (0,0). Calculate the area of the triangle
a wave with frequency 2000hzand wavelength 0.1m in some certain medium what is its speed in this
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