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A small fly of mass 0.25 g is caught in a spider's web. The web vibrates predominately with a frequency of 4.0 Hz.
(a) What is the value of the effective spring stiffness constant k for the web?
(b) AT what frequency would you expect the web to vibrate if an insect of mass 0.50g were trapped?
To water the yard you use a hose with a radius of 3.50 cm. Water flows from the hose with a speed of 1.10 m/s. If you in part block the end of the hose so the effective radius is now 0.55-cm, with what speed does water spray from the hose.
A 2.00 kg block is held in equilibrium on an incline of angleθ =60° by ahorizontal force vector F applied in the direction shown in the figure below. If the coefficient of static friction between block and incline isµs = 0.300, determine the followin..
In a certain RLC circuit, a46-?resistor, a11-mH inductor, and a 5-µF capacitor are connected in series with an AC power source for which Vrms=12V andf= 100 Hz. Calculate the phase between the current and the voltage.
A flat sheet is in the shape of a rectangle with sides of lengths 0.400m and 0.600m. Find the magnitude of the electric flux through the sheet
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Estimate the linear separation of two objects on the planet Mars that can just be resolved under ideal conditions by an observer on Earth who is:
the rms current produced by a single coil of an electric guitar is 0.025A. How large is the maximum instantaneous current
The gun on a battleship is at the surface of the water, and fires a 500 kg projectile with a muzzle velocity of 400 m/sec, What is the maximum range
An object is shot at 56 m/s horizontally off the roof of a building which is 55 meters above the ground. How long does it take the object to reach the ground in seconds
A bicycle travels 141 m along a circular track of radius 30 m. What is the angular displacement in radians of the bicycle from its starting position
A heat engine takes in 1000 J of energy at 1000 K and exhausts 615 J at 200 K. What are the actual and maximum theoretical efficiencies of this heat engine
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