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The motion of a piston in an auto engine is simple harmonic. if the piston travels back and forth over a distance of 12 cm, and the piston has a mass of 2.0 kg, what is the maximum speed of the piston and the maximum force acting on the piston when the engine is running at 3600 rpm (revolutions per minute)?
A scientist notices that an oil slick floating on water when viewed from above has many different rainbow colors reflecting off the surface. She aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). The index ..
Think a parallel plate capacitor composed of two very large (approximate as infinite) square plates as shown in Figure 2. The actual area of the plates is 0.2 m2 and when a charge of 2.5 × 10 -6 C is placed on every plate (positive on one, negative o..
In the series RLC circuit which consists of a 150-ohm resistor, a 1.27x10^-6 F capacitor, and a 0.035 H inductor, 60.0Hz power supply. What is the phase angle between the current and the voltage?
A lens appears greenish yellow (λ=575 nm) when illuminated with white light. The index of refraction of the lens is 1.52. What is the minimum thickness of the coating (n=1.30) used on the lens to give it this hue?
A nitrogen molecule is initially in a large volume of calm air at STP. How many collisions does the nitrogen molecule suffer in 10 minutes
A convex mirror has a focal length of %u221219 cm. Where is the image if the image is upright and one-half the size of the object
How much work must be done on the electron to move it to negative plate if it is initially positioned 2.86 mm from the positive plate.
Assume the radii you use for the experiment are 6cm and 8cm. how much would the critical velocity change
en boxes, each 21.0 cm high and weighing 235 N, initially are all side by side on the floor. Compute the power necessary to stack the boxes
the velocity of a diver just before hitting the water is -9.6 ms where the minus sign indicates that her motion is
A 50 kg sled is subject to a net force of 20 N pushing in the direction of the sled motion as it is moving over a horizontal surface for a distance of 11 m after having started from rest. find the work done by friction while the sled is on the incl..
A healthy heart pumps about 70 ml of blood in one heart beat. The average pressure exerted is about 100 mm-Hg and there are 70 heartbeats in a minute.
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