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A note played on a piano is 4719 Hz. If the speed of sound is 347 m/s, what is the wavelength of the note?
The bowling ball has a diameter of 20.6 {rm cm}, and the angle the stick makes with the horizontal is 30.0 {rm ^circ}. You may suppose there is no friction between the stick and the bowling ball, though friction with the floor must be taken into acco..
A thin soap film (n = 1.33) has the uniform thickness. When white light strikes the film at normal incidence, blue light (b = 440 nm) is constructively reflected.
Find out the magnitude of the impulse imparted to golf ball?
Find the maximum rms current allowed in the primary circuit.
how fast is the mass moving when leaves the spring. What is her velocity relative to the ice surface.
how to determine the magnitude of the acceleration at the instant.
A car takes 11 s to go from v = 0 to v = 75 m/s at approximately constant acceleration. If you wish to find the distance travelled using equation d = 1/2 at2, what value should you use for a.
A 23 gram bullet traveling 230m/s penetrates a 2kg block of wood and emerge clearly at 170m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after bullet emerges.
Objective questions based on kinematics.
The cord is after that pulled from below, shortening the radius of the circle in which block revolves to 0.15. Model the block as a particle.
Mechanics: Center of Mass. A 60 kg woman and a 90 kg man stand 10.0 m apart on frictionless ice.
A 56.0 kg ice skater spins about a vertical axis by her body with her arms horizontally outstretched, making 1.50 turns each second. The distance from one hand to the other is 1.5 m . Biometric measurements indicate that each hand typically makes ..
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