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When a wheel is rotated through an angle of 35o, a point on the circumference travels through an arc length of 2.5 meter. When the wheel is rotated through angles of 35 rad and 35 rev, the similar point travels through arc lengths of 143 meter and 9x10^2 meter, correspondingly. Find what is the radius of the wheel?
Each of the plates of a parallel plate capacitor has an area of 10.6cm^2 and a plate separaton difference of 2mm. Suppose a 20 volt power supply is connected to this capacator. Calculate the charge on the capacator.
A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field
In each of the following cases, the mass is 32.0 kg and the radius is 7.50 cm. (a) What is the moment of inertia (kg m2) of a solid cylinder rotating about an axis parallel to the symmetry axis but passing through the edge of the cylinder? (b) What i..
The coefficients of static and kinetic friction between a 67 kg box and a horizontal surface are 0.56 and 0.32, respectively. Illustrate what is the acceleration of the object if a 335 N horizontal force is applied to the box?
a 190 g copper bowl contains 180 g of water both at 23.0degc. a very hot 450 g copper cylinder is dropped into the
A periscope for a submarine uses two totally reflection 45°-45°-90° prisms with total internal reflection on the side adjacent to the 45° angles. It springs a leak, and the bottom prism is covered with water. Explain why the periscope no long works. ..
a boy pulls a loaded wagon having a total mass m=100kg. He applies a constant force F=100N along the handle at 30 degrees, compute the horizontal force on the wagon
liquid water at 20 degrees c has a constant pressure mass specific heat of cp4181.8. suppose that 1kg of liquid water
A 0.157-kg particle undergoes simple harmonic motion along the horizontal x-axis between the points x1 = -0.253 m and x2 = 0.495 m. Find the force constant, k, and the total mechanical energy
A 75 kg unicycle and rider zoom along at 8 m/s. find the ratio of the rotational kinetic energy to the translational kinetic energy
A 68.0 patient is suspended in a raised hospital bed (angle is 50 degrees). What is the maximum mass can be without the patient sliding up the bed
A golf ball of mass 4.50 x 10-2kg is struck by a club. Contact lasts 2.39 x 10-4 s, and theball leaves the tee with a horizontal velocity of 40.0 m/s. Compute the average force the club exerts on the ball by finding its average acceleration.
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