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Two wheels have the same mass and radius of 4.5 kg and 0.39 m, respectively. One has
(a) the shape of a hoop and the other
(b) the shape of a solid disk.
The wheels start from rest and have a constant angular acceleration with respect to a rotational axis that is perpendicular to the plane of the wheel at its center. Each turns through an angle of 14 rad in 8.5 s. Find the net external torque that acts on each wheel.
An airplane with a speed of 76.6 m/s is climbing upward at an angle of 49.5 ° with respect to the horizontal, Relative to the ground, determine the angle of the velocity vector of the package just before impact
An insulating rod of length 14.0 cm is bent into the shape of a semicircle and has a uniform total charge of -7.5 uC, Calculate the magnitude and direction of the electric field at the center of the semicircle arc
The warm source of a Carnot cycle consists of a blast furnace operating at a temperature of 150C, calculate the net heat absorbed from the warm source
The position vector of a 1.0-kg particle is given by r = 3 i + 2 j + 5 k and its velocity by v = 8 i - 2 k. Find the magnitude of the particle's angular momentum in kg.m2/s
Two charged plates create a potential difference of 190 V. At a point halfway between the plates an electron is released from rest. What was the initial speed and direction of the proton
A series RLC circuit with a resistance of 280? has capacitive and inductive reactances of 320? and 460? , respectively. What is the power factor of the circuit
The client also says that he does not remember any Section 1231 net losses on the prior-year returns. Illustrate what should Harold do? Why?
You measure the length of a distant car to be subtended by an angular distance of 1.0 degrees. approximately how far away is the car
What is the dissimilarity between sprinters and nonathletes
(a) How tall is the lamp's image if the lamp is a distance of 39.6 cm from the mirror (include sign if negative)? (b) How tall is the lamp's image if the lamp is a distance of 85.8 cm from mirror (include sign if negative)?(c) How tall is the lamp..
A 30 ohm resistor has a voltage difference of 3 volts across its leads. What is the power being dissapated in the resistor
An object with mass 2.5kg is executing simple harmonic motion, attached to a spring with spring constant 330N/m. Calculate the maximum speed attained by the object
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