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A sled of mass 8 kg is on a frictionless slope inclined at 35degrees to the horizantal.It is pulled by a rope that makes anangle of 10 degrees with the slope,the tension in the rope is 40N. Find the accerelation of the sled take up the slope as thepositive direction
find the potential difference across the capacitor. A conductor consists of a circular loop of radius R and two straight, long sections. The wire lies in the plane of the paper and carries a current I.
A scientific supply catalog advertises a material having the index of refraction of 0.85. Is that a better product to buy? Why or why not.
A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 10200 N/C. How many excess electrons or protons reside on the drop
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. calculate the moon\'s radial acceleration
A capacitor consists of square conducting plates 28cm on a side and 5.5mm apart, carrying charges ± 1.8?C, Find the stored energy
Coefficient of linear expansion for aluminium
An artillery shell is launched on a flat, horizontal field at an angle of ? = 37.8° with respect to the horizontal and with an initial speed of v0 = 277 m/s. What is the horizontal distance covered by the shell after 9.26 s of flight? What is the ..
How fast is the shadow of the plane moving along the ground? (That is, what is the magnitude of the horizontal component of the plane's velocity?)
we have a parallel plate capacitor separation of 0.2mm capacitance C0= 21 nF we fill it with 20g of silicone oil & density 520 kg/m^3, find the max charge on the plate before dielectric breakdown
A lightbulb has a resistance of 230? when operating with a potential difference of 180V across it. What is the current in the lightbulb? mA
A certain camera has f-numbers that range from 1 to 20. If the focal length of the lens is 51 mm, what is the range of aperture diameters for the camera
An unstable atomic nucleus of mass 1.92 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.00 10-27 kg, Find the velocity of the third particle
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