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Compute the gravitational force between the sun (M = 1.99×1030 kg) and the planet Pluto (m = 2.50×10-3 times the mass of the earth, orbital radius r = 39.557 A.U.).
Four charges are placed on the corners of a square that lies in the first quadrant of the x-y plane with sides of length 3m. Find the force (magntude and direction) on the charge at the origin
The two strands of the helix-shaped DNA molecule are held together by electrostatic forces as shown in the Figure 16-44 in the textbook. Estimate the net force between a cytosine and a guanine
A proton and an alpha particle (q = +2e, m = 4 u) are fired directly toward each other from far away, each with an initial speed of 0.012c. What is their distance of closest approach
When a 4.0 µF capacitor is connected to a generator whose rms output is 32 V, What is the frequency of the source
A gymnast of mass 62.0 hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch.
a?1000 kg aircraft going?25 ms collides with a?1500 kg aircraft that is parked. they stick together after the collision
For the definitions please include the equations to: Give a definition of the moment of inertia and Give a definition of the torque as a vector. Briefly describe torque
A 5* 10^2 kg hot air balloon takes off from rest at the surface of the earth. The non conservative wind and lift forces take the balloon up, doing +9.70*10^4J of work on the balloon in the process. At what height above the surface of earth does th..
A passenger walks from one side of a ferry to the other as it approaches a dock. What is the direction of the ferry's velocity relative to the water
The color of many ceramic glazes comes from cadmium compounds, If a piece of cadmium with mass 65.6 g and a temperature of 100.0°C is dropped into 25.0 cm3 of water at 23.0°C, what will be the final temperature of the system
A water heater consisting of a metal coil that is connected across the terminals of a 24-V power supply is able to heat 195 mL of water from room temperature (20°C) to boiling point in 75 s. What is the resistance of the coil? (When entering units, u..
The maximum tension that a 0.5m string can tolerate is 14N. A 2.5kg ball is attracted to the string being whirled in a vertical circle. What is the maximum speed the ball can have at the top of the circle.
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