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A 4.00 kilogram block starts from rest at the top of a 30 degree incline and slides a distance of 2.10 meter down the incline in 1.40 second.
(a) Evaluate the magnitude of the acceleration of the block.
(b) Find the coefficient of kinetic friction between plane and block?
(c) Determine the frictional force acting on the block?
(d) Determine the speed of the block after it has slid 2.10 meter.
A rock is dropped off the side of a bridge and hits the waterbelow 2s later. What is the height of the bridge abovethe water
A 7.00g coin is placed 17.0cm from the center of a turntable. What is the maximum angular velocity with which the turntable can spin without the coin sliding
what is the beat frequency heard when two organ pipes each open at both ends are sounded together if one pipe is 58 cm
A space craft with a mass equal to .25*(mass of moon) is in orbit about the sun with a period of 3 years. calculate the average radius of the space craft's orbit. (the distance from the space craft to the sun).
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. Determine the period of the metal pendulum
Consider three charged particles arranged in an equilateral triangle with sides of length d. Find the electric field vector at the triangle's center
A cook puts 8.80 g of water in a 2.00-L pressure cooker that is then warmed to 480°C. What is the pressure inside the container
The threshold of hearing in air corresponds to a frequency of 1000 Hz and an intensity of about 9.5 x 10?13 W/m^2 When someone under water hears such sound, what is the corresponding maximum displacement
An automobile with a mass of 2250 slugs is driven around a circular curve, What is the centripetal force on the car
A 0.287-kg particle undergoes simple harmonic motion along the horizontal x-axis between the points x1= -0.269 m and x2= 0.473 m. find the total mechanical energy of particle
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons.
A double slit is opposite the center of a 1.7-m wide screen 1.9 m from the slits. How many fringes are visible on the screen if the slit is illuminated by 648-nm light
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