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A small rubber wheel is used to drive a large pottery wheel. The two wheels are mounted so that their circular edges touch. Thesmall wheel has a radius of 2.0 cm and accelerates at the rate of7.4 rad/s2, and it is incontact with the pottery wheel (radius 25.0 cm) without slipping.
a) Calculate the angular acceleration of th epottery wheel.b) Calculate the time it takes the pottery wheel to reach its required speed of 58 rpm.
A parallel-plate capacitor has an area of 5.15 cm2, and the plates are separated by 1.05 mm with air between them. It stores a charge of 337pC. What is the potential difference across plates of the capacitor.
An aluminum cylinder with radius 2.3cm and length 13cm is heated to 450°C. Find the net power this cylinder radiates into a room at 25°C
A tube is sealed at both ends and contains a 0.0100-m long portion of liquid. The length of the tube is large compared to 0.0100 m. Find the angular speed (in rad/s) of the tube
A small hole is drilled in a meter stick is toact as a pivot. The meter stick swings in a short arc as a physical pendulum. How far from the center of mass should the pivot point befor a period of 2.00 seconds?
two long parallel wires are separated by 3.37 cm and carry currents 1.25 a and 3.43 a. find the magnitude of the
point charges of 2.00 nc and - 5.00 nc are arranged on two of the vertices of an equilateral triangle. find the
If 49.0cm of copper wire (diameter = 1.00 mm) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at a constant rate of10.5mT/s
Monochromatic light ( = 630 nm) strikes a pair of slits at normal incidence, forming a double-slit interference pattern on a screen located 1.20 m from the slits. It shows the interference pattern observed on the screen. What is the slit separatio..
An elastic circular conducting loop expands at a constant rate over time such that its radius is given by r(t) = r0 + vt, where r0 = 0.170 m and v = 0.0290 m/s. estimate the direction and the magnitude of the induced current
An infinite line of positive charge lies along the y axis, with charge density ? = 1.60 ?C/m. Find the magnitude of the net torque exerted on the dipole
A baseball is thrown from the roof of 23.1 -tall building with an initial velocity of magnitude 11.5 and directed at an angle of 52.0 above the horizontal. What is the speed of the ball just before it strikes the ground? Use energy methods and ignore..
A 4.0-m-wide swimming pool is filled to the top. The bottom of the pool becomes completely shaded in the afternoon, How deep is the pool
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