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Two cars collide at an intersection. Car A, of mass M, is initially heading north at speed v. Car B, of mass m, is initially heading east at unknown speed. The cars slide together after colliding at an angle θ away from north. What was car B's initial speed?
A car is traveling north at 17.7m/s. After 12s its velocity is 14.10m/s in the same direction. Find the magnitude and direction of the car's average acceleration.
A disk of inertia .10 kgxm2 is rotating with an angular speed of 1.0 rad/s. A non-roatating ring of mass .5 kg, What is the new angular speed of this combination
A supply of copper is to be placed on a wood raft. The raft has a surface area of 28.0 m2 and a thickness 1.75 meter. Find the volume of this maximum amount of copper
A photographer uses his camera, whose lens has a 60mm focal length, to focus on an object 2.5m away. How far must the lens move to focus on this second object
An object with a density of 461.0 kg/m3 and a mass of 2083.0 kg is thrown into the ocean. Find the volume that sticks out of the water
A 1540.0 g mass is ona horizontal surface with μk = 0.31, and isin contact with a massless spring with a force constant of 787.0N/m which is compressed. When the spring is released, it does 2.52J of work on the mass while returning to its equilibr..
A hypothetical positronium atom consists of an electron orbiting a positron, Using the Bohr Theory, calculate the radius (in nm) of the first orbital of this "atom"
Larry is standing at the edge of a vertical cliff 210m about the sea. how far has the rock traveled horizontally when it hits the water
An average temperature of the rest of the universe
The drawing shows an edge-on view of the solar panels on a communications satellite. The dashed line specifies the normal to the panels. Sunlight stikes the panels at an angle θ with respect to the normal. If the solar power impinging on the panels i..
Find the electric field inside the cylinder
What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 45 rpm (revolutions per minute) if the wheel's radius is 25.6 cm
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