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A toy train is pushed forward and released at with a speed of 2.0 m/s. It rolls at a steady speed for 2.0 s, then one wheel begins to stick. The train comes to a stop 6.0 m from the point at which it was released. What is the magnitude of the train's acceleration after its wheel begins to stick?
A hawk is flying horizontally at 17.0m/s in a straight line, 160 m above the ground. A mouse it has been carrying struggles free from its grasp. The hawk continues on its path at the same speed for 2.00s before attempting to retrieve its prey.
A 70 m3 incompressible box is completely submerged in a fluid. What volume of fluid is displaced by the box if the fluid is air? The density of air is 1.2 kg/m3
An oscillator consists of a block of mass 0.600 kg connected to a spring. Find the maximum force exerted on the block from the spring
A radar station locates a sinking ship at range 18.1 km and bearing 136° clockwise from north. How far apart are the plane and ship
You've made the finals of the Science Olympics! As one of your tasks, you're given 1.1g of copper and asked to make a cylindrical wire, What length will you choose for your wire
A helicopter is ascending vertically with a speed of 5.00m/s . At a height of 120m above the Earth, a package is dropped from a window. Evaluate how much time does it take for the package to reach the ground?
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.744 rev/s. find the initial and final kinetic energies for this system
An excited H atom the e- is in 4d. The atom is in an external magnetic field. What are the smallest and largest possible angles
A 300-g mass at the end of an ideal spring vibrates up and down in such a way that it is 2.0 cm above the tabletop at its lowest point and 16 cm above at its highest point. find the speed and acceleration of the mass when it is 12 cm above the tabl..
A 61kg skydiver can be modeled as a rectangular "box" with dimensions 21cm x 37cm x 1.8m. What is his terminal speed if he falls feet first
A 900-kg car traveling east at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. What is the speed of the wreckage just after the collision
If a 200 lb bungee jumper jumps from a bridge 150 ft and touches the top of the river. If the cord absorbs 14 percent of the energy how far will be man be at the Top of the next bounce from the river bottom.
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