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A small block of mass m1 is released from rest at the top of a curve-shaped, frictionless wedge which sits on a frictionless horizontal surface as shown. The height of the wedge is h = 5m. When the block leaves the wedge its velocity relative to the ground is measured to be 4.00 m/s to the right as shown in the figure. If the mass of the block is doubled to become 2m1, what will be its speed when it leaves the wedge?
A mass-on-a-spring system has a spring constant k =372 N/m and a mass m =0.46 kg. If it is given an initial displacement of0.27 m and then released, what is theinitial potential energy of the oscillator?
water has a mass per mole of 18.0 g/mol, and each water molecule (H20) has 10 electrons. what is the net charge of all these electrons
When a converging lens is utilized in a camera (as in the top figure), the film should be at a distance of 0.210 m from the lens to record an image of an object that is 4.00 m from the lens.
Isaac Newton, having convinced himself (erroneously as it turned out) that chromatic aberration was an inherent property of refracting telescopes, invented the reflecting telescope.
A car travels at 45 miles per hour for 90 minutes. How far has it traveled in this time
What do you understand from Curl and Div of a vector field F? Explain them with examples. Is there any difference between Grad and Div of F? What are the applications of Grad, Div and Curl?
A mass of 59.72 kg is attached to a light string that is wrapped around a cylindrical spool of radius 10 cm and moment of inertia 4.00 kg * m^2. How long does it take to reach the floor
two aluminum rods a and b are such that rod a has twice the length of rod b when they are at the same temperature. they
a 4500 kg helicopter accelerates upward at 2.0m/s^2. what lift force is exerted by the air on the propellers
A wooden block with equal sides of 4 cm is floating in water. If the density of the block is half the density of water, how far is it from the water to the top of the block?
In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth. How much work did Arfeuille do on the object
A turntable has a moment of inertia of 0.030 kg-m2 and spins freely on a frictionless bearing at 25 rev/min. Determine the new rate of rotation of the system
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