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You are driving in a 1,500 kg car and have to negotiate a curve with a radius of 35 m. The coefficient of static friction between the road and the tires is 0.5 (yes, it actually is static friction here). What is the maximum speed at which you can safely make the curve (hint, where does the static frictional force point? What is keeping you on the curve?)?
Two 120kg lead spheres are suspended from 170m -long massless cables. By what distance do the two spheres move closer
When connected to a 10 volt battery, a capacitor stores 5 *10^-4 J of energy. How much energy would this capacitor store when connected to a 20 volt battery
Steams flows through an adiabatic turbine with a mass flow rate of 4.5 kg/sec, 500 degrees Celsius and 6 MPa. Calculate power output from the adiabatic turbine
An 8.5 x 11cm sheet of metal is illuminated by a light source located 1.3m directly above it. What is the luminous flux falling on the metal if the source has an intensity of 200cd? What is the total luminous flux emitted by the light source?
Johnny Thunder is swinging a watch from a 20.0 cm chain. What is the period of swing from the watch
An 8m, 200 N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.55, and ladder makes a 50.0° angle with the ground. How far up the ladder can an 800 N person climb before the ladde..
A model rocket is launched straight upward with an initial speed of 47.8m/s. It accelerates with a constant upward acceleration of 2.07m/s2 until its engines stop at an altitude of 157 m. What is the maximum height reached by rocket.
Describe the basic concept of the Atwood's machine. What is the net applied force? What is the mass to which this net force is applied
Find the recoil speed of the rifle. ________ m/s (b) If a 700-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle. ________ m/s
A RC circuit is to be wired for testing using a 33 ohm resistor anda 100 mirco farad capacitor. The signal source is a squarewave generator, Calculate the expected time constant
A hill that has a 17.2 % grade is one that rises 17.2 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
A m = 10 kg block is released from a height of h = 3 m. It travels down a frictionless circular shaped ramp to the bottom where it encounters a rough surface. Find the coefficient of kinetic friction for the rough surface
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