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How much work must be done to accelerate a baton from rest to an angular speed of 7.4 rad/s about its center? Consider the baton to be a uniform rod of lenght 0.53m and mass 0.44kg.
An airplane has a mass of 3.46 × 104 kg and takes off under the influence of a constant net force of 3.22 × 104 N. What is the net force that acts on the plane's 71.9-kg pilot
A lamp is placed 10 cm in front of a concave spherical mirror that forms an image of the filament on a screen placed 3.0 m from the mirror. What is the radius of curvature of the mirror
What is the size of the smallest vertical plane mirror in which a 10 tall giraffe standing erect can see her full-length image? (Hint: Locate the image by drawing a number of rays from giraffe's body that reflect off the mirror and go to her eye.
An astronaut is traveling in a space vehicle that has a speed of0.455crelative to Earth. The astronaut measures his pulse rate at69.5per minute. What pulse rate does the Earth observer measure
The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and calcium, that are dissolved in water as ions, What is the resistance of the ion channel
A nitrogen molecule is confined in a cubic box of volume 1.00 m3. Assuming that the molecule has an energy equal to 3/2kT , what is the value of n=(n_x^2+ n_y^2 +n_z^2)^1/2 for this molecule? What is the energy separation between the levels n and n +..
1 a michelson interferometer is illuminated with a normal monochromatic beam of light. when one of the mirrors of the
A 5.05 micro F capacitor is initially charged to a potential of 16.2 V. It is then connected in series with a 3.80 mH inductor. What is the total energy stored in this circuit
Assume the bat is a wooden rod of uniform diameter and take the pivot point to be in the middle of the bat, at the end of the bat, Calculate the moment of inertia of a baseball bat
Your car's fan belt turns a pulley at 3.00 rev/s . When you step on the gas for 1.25s , the rate increases steadily to 5.60 rev/s. Through what angle did the pulley turn while accelerating
an aa battery is connected to a parallel-plate capacitor having 4.00cm diameter plates spaced 5mm apart. how much
A bicyclist rides 2.93 km due east, while the resistive force from the air has a magnitude of 8.55 N and points due west. Find the work done by the resistive force during the round trip
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