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A piano string is under a tension of T = 778N. When struck the wave has a period of t = 0.6ms and a wavelength of 0.77m. What is the linear density of the string?
A 258-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.980, and the log has ..
an organ pipe is 0.155m long and closed at one end. the temperature of the air inside the pipe is 23 c.a calculate the
A child goes down a playground slide with an acceleration of 1.34 m/s2. Compute the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 34.0° below the horizontal.
A 2.46 x 10-2-kg block is resting on a horizontal frictionless surface and is attached to a horizontal spring whose spring constant is 110 N/m. The block is shoved parallel to the spring axis and is given an initial speed of 10.4 m/s, while spring is..
A crate with mass 36.0 initially at rest on a warehouse floor is acted on by a net horizontal force of 142. Explain how far does it travel in 12s and what is its speed at that time?
A 0.550 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
The specific heat of water is 4186 J/kg•K. The latent heat of fusion is 333 kJ/kg. The density of water is 1.0 g/cm.
During launches, rockets often discard unneeded parts. A certain rocket starts from rest on the launch pad, What total distance did the canister travel between its release and its crash onto the launch pad
q1. a 9.0 cm diameter wire coil is at first oriented so that its plane is perpendicular to a magnetic field of 0.67 t
A doubly charged helium atom whose mass is 6.6 10 to 27 kg is accelerated by a voltage of 2200 V. What will be its radius of curvature if it moves in the plane perpendicular to a uniform 0.308 T field?
High speed stroboscopic photographs show that the head of a 181 g golf club is traveling at 55.4 m/s, Find the speed of the golf ball just after impact
You walk 100 m to the north, and then you turn 70degrees to your right and then walk another 50 m. What is the magnitude of your total displacement
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