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The moment of inertia of a solid cylinder about its axis is given with 0.5 MR^2. If the cylinder rolls without slipping, the ratio of its rotational kinetic energy to its translational kinetic energy is
A wheel accelerates with a constant angular acceleration of 4.5rad/s^2. If the initial angular velocity is 1.0 rad/s, what is the angular velocity at t = 2.0 s?
A Ferris wheel rotating at 20 rad/s decelerates by a constant angular acceleration of -5.0 rad/s^2. How many revolutions does it rotate before coming to rest?
A hydrogen atom, initially at rest, has its electron in then = 4 state. The electron then makes a transition to the ground state, and the atom emits a photon in the process. What is the recoil speed of the hydrogen atom?
The force of the wind on a small sail boat is 500 N northeast (45 degrees N of E). If the drag if the keel is 250 N acting west, what is the acceleration of the boat
how long does it take an automobile traveling in the left lane of a highway at 50.0 kmh to overtake become even with
A human cannon ball is launched at 25.0 m/s at an angle of 30.0 degrees from horizontal. What is the velocity of the human after 0.540 seconds in terms of i and j
a bullet is fired into a large stationary absorber and comes to rest. temperature measurements of the absorber show
Suppose the strings on a violin are stretched with the same tensionand each has the same length between its two fixed ends. Themusical notes and corresponding fundamental frequencies of two ofthese strings are G (196.0 Hz) and E (659.3 Hz).
q1. an object weighs 302 n in the air. when tied to a string connected to a balance and immersed in water it weighs 220
A production line inspector wants a mirror that produces an upright image within magnification of 7.4 when it is located 15 mm from a machine part.
Two lightbulbs have cylindrical filaments much greater in length than in diameter. The evacuated bulbs are identical except that one operates at a filament temperature of 2 195°C and the other operates at 2 085°C. Find the ratio of the power emitt..
A molecule of DNA (deoxyribonucleic acid) is 2.28 µm long, Determine the effective spring constant of the molecule
what is the terminal velocity of a 6.00-kg mass object in falling with a drag force with a magnitude that depends on
An electric utility company supplies a customer's house from the main power lines (120 V) with two copper wires, For this load current, find the power delivered to the customer
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