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Q. A speeding motorist traveling 80 mi/h passes a stationary police officer. The officer immediately begins pursuit at a constant acceleration of 7 ft/s sq. how much time in seconds will it take the officer to reach the speeder?
Q. A 63.0 resistor is connected in parallel with a 115.0 resistor. This parallel group is connected in series with a 19.0 resistor. The total combination is connected across a 15.0 V battery. (a) Find the current in the 115.0 resistor.
When in deep space, the block accelerates at 4.2 m/s^2 even as a 120 N force is applied to it. The coefficient of static friction for a particular plane and this block is 0.31. What angle can this plane make with horizontal before the object starts t..
The cord between the pouch and the person's hand has negligible mass and will break when the tension in the cord is 33.0 N or more. Assume the sling thrower could gradually increase the speed of the stone.
How many wavelengths are there in one pulse
At a certain location, the horizontal component of the earth's magnetic field is 4.90 10-5 T, due north. A proton moves eastward with just the right speed, so magnetic force on it balances its weight. Find the speed of the proton.
Two charged spheres are 15 cm apart. They are moved, and the force on each of them is found to have been quadrupled. How far apart are they now.
If coefficient of kinetic friction between the box and the floor is 0.570, how long does it take to move the box 4.00 m, starting from rest.
Presume your local government wants to raise your taxes in order to support the construction of wind and solar power plants that can give your town with low-polluting energy and help decrease your town's dependence on fossil fuels for energy. Would y..
A 5.40×10-2- wad of putty is thrown horizontally at the block, hitting it with a speed of 2 and sticking. far does the putty-block system compress spring.
Two charged spheres are 19 cm apart. They are moved, and the force on each of them is found to have been quadrupled. How far apart are they now.
A seed shoots out from the pod with the speed of 2.6m/s but with a direction of motion 30° below the horizontal. The seed pod is initially 1.1m above the ground.
A 100 percent efficient electric motor is lifting a 15N weight at 25cm/s. If the motor is connected to a 7V battery, how much current does it draw.
suppose you are outdoors in the Boundary Water Canoe Area of Northern Minnesota. You have in your hand the empty tube from a roll of paper towel. Outline the mathematical steps you would take to help you achieve an accurate estimate of the stars i..
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