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At 28.0 m below the surface of the sea (density = 1 025 kg/m3), where the temperature is 5.00°C, a diver exhales an air bubble having a volume of 1.20 cm3. If the surface temperature of the sea is 20.0°C, what is the volume of the bubble just before it breaks the surface?
The radiation pressure exerted by beam of light 1 is half the radiation pressure of beam of light 2. If the rms electric field of beam 1 has the value E_0 , what is the rms electric field in beam 2?
Calculate the speed of a proton that is accelerated from rest through an electric potential difference of138V. Calculate the speed of an electron that is accelerated through the same potential difference.
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 9 A, and that of the vacuum cleaner is 5.5 A. Determine the power consumed by the vacuum cleaner.
An unstable particle with a mass equal to 3.34 10-27 kg is initially at rest. Find the masses of the fragments
After the first spring compresses a distance of 32.1 cm, the second spring acts with the first to increase the force as additional compression occurs. The car comes to rest 47.0 cm after first contacting the two-spring system. Find the car's initi..
What is the mass of the CORE of the Sun?
An unknown piece of material with a mass of 5.1 kg and density of 1422 kg/m^3 is suspended from a string and then completely immersed in a container of water. Determine the volume of the piece of material
A 50 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.2*sin( 3.1415*t), What is the maximum Kinetic Energy of the mass
A simple pendulum 2.0 m in length, is released at 25 degrees from the vertical. what is the speed at the bottom of the swing
A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.502, How much force is needed to keep the book moving at constant speed once it begins moving
A swimmer dived off a cliff with a running horizontal leap. What must his minimum speed be just as he leaves the top of the cliff
King Arthur's knights use a catapult to launch a rock from their vantage point on top of the castle wall, How far from the castle wall does the launched rock hit the ground
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