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Q. A 75 kg box slides down a 25 degree ramp with an acc. of 3.6 m/s2. find u the box and the ramp. What acceleration would a 175kg box have on this ramp.
Q. A diver releases an air bubble of volume 2.9 cm3 from a depth of 18 m below the surface of a lake, where the temperature is 7.2°C. What is the volume of the bubble when it reaches just below the surface of the lake, where the temperature is 22°C?
What is the maximum speed with which a 1200 kg car can round a turn of radius 60.0m on a flat road if the coefficient of friction between tires and road is 0.65.
How does the solar nebula theory describe the dramatic density difference between the terrestrial and Jovian planets.
What is force necessary on one end of apparatus in order to lift the car? How much work is done lifting the car?
A girl rides the escalator that moves foward at a constant speed. As the girl raises, how do her gravitational energy and kinetic energy change.
Assume your car was modified so you could travel through space. At a velocity of 65 mi/hr, and driving non-stop, how long would it take for you to get to.
What is magnitude of the angular momentum
A professor's office door is 0.90 wide, 2.00 high, 4.00 thick; has a mass of 30, and pivots on frictionless hinges. A "door closer" is attached to door and the top of the door frame. When the door is open and at rest, the door closer exerts the torqu..
A curve of radius 50 m is banked for the design speed of 100 km/h. If the coefficient of static friction is 0.60 (wet pavement), at what range of speeds can a car safely create the curve.
The distance between the first and fifth minimum on a screen 60 cm behind the slits is 6.0 mm. What is the wavelength of the light used in this experiment.
Find out the resulting values of the processional rate
A 79.2 kg airplane pilot pulls out of a dive by following, at a constant speed of 191 km/h, the arc of a circle whose radius is 321m.
A bat flying in a cave emits the sound pulse and receives its echo in 3.5 s. How far away is the cave wall.
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