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A piano tuner stretches a steel piano wire with a tension of 765 N. The steel wire has a length of 0.900 m and a mass of 6.75 g.
What is the frequency of the string's fundamental mode of vibration?
What is the number of the highest harmonic that could be heard by a person who is capable of hearing frequencies up to 16 kHz?
A merry-go-round is stationary. A dog is running on the ground just outside its circumference, moving with a constant angular speed of 0.775 rad/s. At what time will the dog reach the bone
A motorcycle has a constant speed of 20.9 m/s as it passes over the top of a hill whose radius of curvature is 125 m. Find the magnitude of the centripetal force
The body contains many small currents caused by the motion of ions in the organs and cells. how large is the current in the heart
A jet flying at 107 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, Calculate the magnitude of the necessary lifting force
A 2.93kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 9.83kg cylindrical pulley, Find the angular acceleration of the pulley
A 5.00 kg box is pulled by a rope with a force of 25.0 N. Determine the acceleration of the boxes
An 8.70kg block slides with an initial speed of 1.84 m/s down a ramp inclined at an angle of 28.2 with the horizontal. find the distance the block slides before coming to rest
Two ships are moving along a line due east (see figure below). The trailing vessel has a speed relative to a land-based observation point of v1 = 59.5 km/h, What frequency is monitored by the leading ship
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. What is the minimum uncertainty in the duck's speed
A hoop and a disk, both of 0.44- m radius and 5.0- kg mass, are released from the top of an inclined plane 3.5 m high and 8.7 m long. What is the speed of the hoop
A 0.015 kg bullet traveling horizontally at 400.2 m/s strikes a 4.1 kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.2 m, how far from the table does the block hit the floor.
An alien race has evolved such that their eyes work exactly like ours except their eyes can be modeled with a biconcave lens. WHen they come to visit us, what kind of glasses would you prescribe
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