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There are two balls located in deep space as shown in the figure. The black ball has mass 36kg and the red ball has mass 11kg. The distance between the two balls is r=15cm. (a) Find the magnitude of the acceleration of the red ball. (b) If r is 3.5 times larger, with what factor will the acceleration a change? (c) If the mass of the black ball is 50 times larger, with what factor will the acceleration a change? (d) If the mass of the red ball is 50 times larger, with what factor will the acceleration a change?
A rocket rises vertically, from rest, with an acceleration of 4.0m/s2 until it runs out of fuel at an altitude of 1400m. After this point, What maximum altitude does the rocket reach
A 75 kg skydiver can be modeled as a rectangular box withdimensions of 20cm x 40 cm x 180 cm. What is the terminal speed if he falls feet first
when a dime (diameter 1.624 cm) is placed straight over it, bubble can be seen by looking down into the cube. What are upper and lower bounds of the range of the possible depths of the air bubble beneath surface.
An particle with a charge value of 0.21 C is moving in the presence of an electric field of 5.5 N/C. What force does the particle experience
The mass of a copper atom is 1.06 x10^25 kg, and the density of copper is 8 920 kg/m3. Find the edge dimension of each cube
An isolated conductor of arbitrary shape has a net charge of +9.5 x10-6 C. Inside the conductor is a cavity within whichis a point charge q = +2.4 x 10-6 C. InCoulombs, what is the charge on the outer surface of the conductor?
Two ice skaters, with masses of 30.0kg and 75.0kg , are at the center of a 30.0m -diameter circular rink. how long does the lighter skater take to reach the edge
A brick is initially 12.67 cm high and an aluminum can is initially 12.68 cm high. By how much must their temperatures be raised in order for the brick and the can to have exactly the same height?
A current of 0.300 A through your chest can send your heart into fibrillation, ruining the normal rhythm of heart beat and disrupting the flow of blood (and thus oxygen) to your brain. If that current persists for 2.17 min, how many conduction electr..
It is known that the electric force between two objects is muchstronger in magnitude than the attractive gravitational force. Twoparticles of masses 6.01 kg and 1.81 kg and charges 8.82 μC and-1.53 μC respectively are separated by a distance 10.6 ..
A 7-Kg bowling ball whose radius is 0.13 m is rolling directly towards you, turning 3 times per second. What is its translational angular momentum about you
A single-turn plane loop of wire with a corss-sectional area 200cm^2 is perpendicular to a magnetic field that increases uniformly from 0.200T to 2.800T in 2.20 seconds. What is the magnitude of the induced current if the resistance of the coil is 8...
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