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Q. A large wheel is coupled to a wheel with half the diameter. How does the rotational speed of the smaller wheel compare with that of larger wheel? How do the tangential speeds at the rims compare (assuming the belt doesn't slip)?
Q. A 2.5 kg block is placed on a vertical spring (K=5.00x10^3-N/m) and pushed downward compressing the spring an additional 10 cm. As the block is free, it leaves the spring and continues to travel upward. What height above the point of release will block reach if the air resistance is negligible?
An elastic cord is 69 cm long when a weight of 57 N hangs from it but is 70 cm long when the weight of 75 N hangs from it. What is the "spring" constant k of this elastic cord.
To which, according to the rotational analog of Newton's second law, is the angular acceleration experienced by an object directly proportional?
Calculate the time constant that is equal to the time taken by a capacitor to fully charge or discharge.
he driver finds that the car bounces up & down with maximum amplitude when he drives at a speed of 4.2 m/s (approx 9.4 mph). The car then stops & picks up three more 110 kg passengers. By how much does the car body sag on its suspension when these ..
Establish an average acceleration
IF Earth's orbit were suddenly to become much more eccentric. keeping orbital semimajor axis as is, fixed at 1 AU, but let's imagine shifting both the Earth's perihelion and aphelion points by 0.9 AU, so that at perihelion we were only 0.1 AU from th..
What is the magnitude of the maximum torque. What is the utmost load for this crane at an angle of 15° with the horizontal.
Find the surface tension force on water inside a tube and height to which the water rises in the tube.
A cube of ice is taken from the freezer at -8.7^circ C and placed in a 114 g aluminium calorimeter filled with 329 g of water at room temperature of 20.0 ^circ {rm C}. The final situation is observed to be all water at 15.0^circ C.
In what time interval does it reach this velocity. How high would the insect jump if air resistance were negligible.
Capacitance and resistance network.
A stationary radar operator determines that a ship is 17 km south of him. An hour later the same ship is 21 km southeast. If the ship moved at constant speed and always in the similar direction, what was its velocity during this time.
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