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What is the center of gravity? How can you find it in various objects? How dooes it effect the equilibrium of an object? What is stability? What are the types of stability? What effect does stability have on the equilibruim of an object?
A second fragment, who's mass is 3.4 kg, moves away from the point of explosion with a speed of 418 m/s along the negative x axis. What is the speed of the third fragment? Ignore effects due to gravity.
A 3.1 kg dog stands on a 15.00 kg flatboat at distance D = 6.1 m from the shore. It walks 2.00 m along the boat toward shore and then stops. Assume no friction between the boat and the water, find how far the dog is then from the shore.
Determine the maximun wavelength of incident radiation that can be used to remove the remaining electron from a singly ionized helium atom He+ (z= 2)
A 190 g block hangs from a spring with spring constant 15 N/m. At t=0s, the block is 13 cm below the equilibrium point and moving upward with a speed of 98.0 cm/s.
The car's motion can be divided into three different stages: its motion before the driver realizes he's late, its motion after the driver hits the gas (but before he sees the police car), and its motion after the driver sees the police car. Which of ..
An alpha particle is moving at a speed of 5.0 × 105 m/s in a direction perpendicular to a uniform magnetic field of strength 0.040 T. What is the radius of the path of the alpha particle
A 5.0 ? resistor is connected in series with another resistor and a 5.0 V battery. The current in the circuit is 0.70 A. Calculate the value of the unknown resistance
A cannon fires a cannon ball at 769.26 m/s in a straight line that passes directly over an observer's head. how far is the cannon from the observer
A parallel plate capacitor with 4.0 mm plate spacing has circular plates and holds a charge of +/- 6 uC on each plate when it is charged to a potential of 100 V. What is the radius of the plates
A 75?kg jogger runs with a speed of 4.2m/s, What is the jogger's de Broglie wavelength
Explain how does a magnitude of the electrical force between a pair of charged particles change when they are brought to half their original distance of seperation?
A 4.5kg ball with a velocity of 4.0m/s in the+x-direction collides head-on elastically with a stationary 1.8kg ball. What is the speed of the first ball after the collision
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