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A cat is brought into a vets office you need to find itscenter of gravity. You place its front legs on a scale thatreads 89N and hang its back legs so that the catis horizontal on a hanging scale that reads 157N. Thedistence between the cats front feet and back feet is .95meters.
A) calculate the center of gravity.
B) what is the total weight of the cat?
An athlete whirls a 7.49 kg hammer tied to the end of a 1.3 m chain in a horizontal circle. What is the centripetal acceleration of the hammer
How much time is necessary to catch the car
What is the radius of the pen. How far should it now sail to reach its original destination.
A heat engine takes in 126 kJ of heat from a reservoir at 820 K and exhausts 88 kJ to a reservoir at 292 K. What is the efficiency of an ideal engine operating between the same two reservoirs
suppose that .12 mol of nitrogen gas in contact with a thermal reservoir that holds the temperature fixed at T0=9.8C has an initial volume of 1.3L and does 14J of work
A step-down transformer has 2000 turns on the primary and 300 turns on the secondary, what is the secondary voltage amplitude
A laser beam is incident at an angle of 36.0° to the vertical onto a solution of corn syrup in water. What is its frequencyin the solution
A lamp is designed to operate at a temperature of 3100K. what will be the fractional increase in radiant energy
A string is wrapped around a pulley with a radius of 2.0cm. The pulley is initally at rest. Find the angular acceleration at which the string unwinds
A circus cannon, which has a mass M = 5000 kg, is tilted at q = 30°. The cannon is now lowered to shoot horizontally. It fires the same projectile at the same speed relative to the cannon. With what speed does the cannon now recoil with respect to ..
What is the acceleration of two falling sky divers (mass 116.0 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight? n?
A pulley wheel that is 22.0 cm indiameter has a 5.2 m long cord wrappedaround its periphery. How long does the unwinding take
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