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A 8.0-g string, 0.87 m long, is under tension. The string produces a 900-Hz tone when it vibrates in the third harmonic. The speed of sound in air is 344 m/s. What is the wavelength of the tone in air, in SI units?
A box starts from rest and is pushed a distance d = 1.25 meters along a frictionless ramp by a horizontal force, Fa, in 9.75 seconds. find the acceleration of the box as it slides up the ramp
A Projectile (Mass M) is launched at an angle (theta) with an initial speed u. Write expressions for angular momentum (L) and torque vectors (T) about the launch point. hence show that dL/dt = T. Assumptions: No Air Resistance and constant gravity
A 1.00-kg block compresses a spring for which k1 = 100. N/m by 20.0 cm and is then released to move across a horizontal, frictionless table, determine the maximum compression of the second spring
A convex mirror has a radius of curvature whose magnitude is 59cm. The mirror is positioned on a horizontal optical bench with its front surface at 0cm. A 11.0cm long fluorescent lamp oriented vertically is placed at +106cm.
Each of two small non-conducting spheres is charged positively, the combined charge being 40 mC. Determine the magnitude of the smaller of the two charges
calculate the entropy change of steam between states p1 36 bar t1 250 oc and p2 22 bar t2 400oc by direct
A 46.6 ?F capacitor is connected to a 46.7 ? resistor and a generator whose RMS output is 24.4 V at 54.0 Hz. Calculate the phase angle for the circuit
question during an olympic bobsled run the jamaican team makes a turn of radius 7.6 m at a speed of 96.6 kmh. what is
A 3.0 kg block rests on a 30 degree slope and is attached by a string of neglible mass to a sold drum of mass 0.80 kg and radius 10.0 cm, Find the angular accleration of the drum
Light from a He-Ne laser of wavelength 633 nm passes through a circular aperture. It is observed on a screen 4.0 m behind the aperture. compute the diameter of the hole
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). How far is the object from the converging lens
An ambulance moving at 36 m/s sounds its siren whose frequency is 350 Hz. What frequency does a person in the car hear as the ambulance approaches the car
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