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A car is driving around a turn with a radius of 30.5 m. If the coefficient of friction between the tires and the road is 3.71, what is the maximum speed the car can maintain around the turn without slipping? Please report your answer to one decimal point. Do not include the units in your answer or the computer will mark the problem wrong.
A spring is hanging from the ceiling of an elevator, and a 5.0-kg object is attached to the lower end. By how much does the spring stretch (relative to its unstrained length) when the elevator is accelerating upward at ?
A 700. newton stunt pilot flying a 980.kg plane in a vertical loopwith a radius of 600. meters is "weightless" at the top of theloop. Calculate the plane's speed
Find an expression for the change in the system's potential energy in terms of the parameters shown in the figure. (Use any variable or symbol stated above along with the following as necessary: g. Do not substitute numerical values; use variables..
A stretched spring stores 2.2 of energy. How much energy will be stored if the spring is stretched three times as far
circular motion a police car runs around a turn of radius 35 m at a constant speed of 45 ms.a. what is the acceleration
The coefficient of friction between two materials is 0.25. A 15.0 kg object made of one of the materials is being pulled west
Four charges are located at the corners of a square of side 2 centimeter. Obtain the electrostatic energy of this system
A beam of light in air strikes a glass lab at common incidence. The glass slab has an index of refraction of 1.50. (a) About what percentage of the incident light intensity is transmitted through the slab (in one side or out the other)? (b) Repeat Pa..
if you place the magnifying glass at half the distance needed to cook an ant, how big would the image of the ant be
The positive direction of the x axis.
One of the moving parts of an engine contains 1.64kg of aluminum and 0.311kg of iron and is designed to operate at 214 degrees C. How much heat is required to raise its temperature from 21.0 degrees C to 214 degrees C?
A helium gas cylinder has a pressure of 28 atm. After filling many balloons the cylinder has a pressure of 5 atm. What fraction of the original amount of helium remains in the cylinder
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