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A winch cable of negligible mass has a cross-sectional area of 1.6 cm2 and a length of 2.2 m. Young's modulus for the cable is 150 GN/m2. A 860-kg engine block is hung from the end of the cable By what length does a cable Stretch? in mm Treating the cable as a simple spring, what is the oscillation frequency of the engine block at the end of the cable?
in Hz
The springs of a 1600 kg car compress 5.0 mm when its 70 kg driver gets into the driver's seat, If the car goes over a bump, what will be the frequency of vibrations
A mass on a spring vibrates in simple harmonic motion at a frequency of 0.75 Hz and amplitude of 4.0 cm. what is the speed of the mass when t = 1.0 s
A string on a guitar vibrates at 420 Hz. If the tension on the string is 102 N, what is the mass of the string if the portion that vibrates is 63.7 cm long
the label on a soft drink states 15.fl oz (444g) provides 220 kcal. The drink is cooled to 15degree Celsius before it's consumed. Find net energy content of drink
A large box of mass 50kg lies on a frictionless inclined plane at an angle of 30º. What is the Normal Force acting on the box
Calculate the period of a ball tied to a string of length 0.3 m making 6.9 revolutions every second. Answer in units of s, Calculate the speed of the ball
A 5.00 mL syringe has an inner diameter of 6.00 mm, a needle inner diameter of 0.210 mm, and a plunger pad diameter (where you place your finger) of 1.2 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100..
Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 1.80e28 kg and 1.60e3 m. Find the density of such a star
The radius of the earth's orbit around the sun (assumed to be circular) is 1.50 x 10^8 km, and the earth travels around this orbit in 365 days. What is the radial acceleration of the Mercury
An object is placed 30 cm from a converging lens forms an image 40 cm from the lens. is the image which is formed real or virtual
A 21.0-kg box rests on a frictionless ramp with a 14.3° slope. The mover pulls on a rope attached to the box to pull it up the incline. If the rope makes an angle of 38.4° with the horizontal, what is the smallest force F the mover will have to exert..
A plastic bag is filled with nitrogen at atmospheric pressure and 27.0 oC. How large a volume of nitrogen (in m3) is required
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