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A certain spring stretches 6 centimeter when a force of 6 Newton is applied to it. Suppose 5 kilogram mass is attached to the spring, then it is stretched 3 centimeter and released with a push so that its initial speed is -6 cm/s. Suppose the system lies on a frictionless horizontal surface. Define equation for the position of the mass as a function of time.
A car travels at 35.0 m/s for 40.0 minutes and then travels at 55.0 m/s for 20.0 minutes. What is the average velocity of the car
A man whose mass is 80kg on the earth's surface is in a spacecraft at a height of 2 Earth radii above the earth's surface. At that height what is the acceleration due to gravity
A rifle with a barrel length of 64cm fires a 12gbullet with a horizontal speed of 400m/s. What resistive force (assumed to be constant) does the wood exert on the bullet
what is the current potential difference and dissipated power for each when they are connected in
One force is 60.0 N along the x-axis, the second is 75.0 N along a direction making a counterclockwise angle of 150.0° with the x-axis. Illustrate what is the magnitude of the third force?
A small superball of mass m moves with speed v to the right toward a much more massive bat that is moving to the left with speed v. Obtain the speed of the ball after it makes an elastic head-on collision with the bat
A crate with mass 36.0 initially at rest on a warehouse floor is acted on by a net horizontal force of 142. Explain how far does it travel in 12s and what is its speed at that time?
How many times hotter than the Sun's surface is the surface of a star the same size, but that gives off twice the Sun's energy per second (that is, is twice as luminous)?
A simple harmonic oscillator is described mathematically by x=0.25 sin(4.2pt +0.54px), What are the amplitude, speed and period of the wave
Find out the final speeds of the two objects. What is the angle at which the object with mass 3m is scattered?
If a camera with a 60 mm lens is to resolve two objects that are 3.0 mm from each other and both objects are 4.0 m from the camera lens, what is the minimum diameter of the camera lens
A flat horizontal surface with an area of 505 cm2 is inside a uniform electric field of 1.40×104 N/C. What is the electric flux through the surface
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