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Cloverleaf exits are approximately circular. A 1700 kg automobile is traveling 53 mph while taking a cloverleaf exit that has a radius of 47.8 m. Calculate the centripetal acceleration of the car and the centripetal force on the car. Remember that 1 mph = 0.447 m/s.
A laser used to weld detached retinas emits light with a wavelength of 654nm in pulses that are 20.2ms in duration. How much energy is in each pulse
Calculate for the engine the indicated mean effective pressure - the indicated thermal efficiency.
A light ray is incident on the surface of water (n = 1.33) at an angle of 60 degree relative to the normal to the surface. Obtain the angle of the reflected wave
Water is contained in a closed, rigid, 0.25 m3 tank at an initial pressure of 5 bar and a quality of 60%. Heat transfer occurs until the tank contains only saturated vapor. Determine the final mass of vapor in the tank, in kg, and the final pressu..
A poorly tuned Yugo can accelerate from rest to a speedof 28 m/s in 20 s. What is the average acceleration of the car
Closest Neighbor Our closest stellar neighbor, Proxima Centauri, is 4.3 light years away. It has been suggested that TV programs from our planet have reached this star and may have been viewed by the hypothetical inhabitants of a hypothetical planet ..
A solid sphere of moment of inertia (2/5) MR^2 rolls without slipping down an incline plane of 30 degrees from a height of 8 meters. What is the velocity at the bottom
A 60.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.760 and 0.410, correspondingly. What horizontal pushing force is required to (i) just start the crate moving and (ii) slide the crate ..
A spaceship is approaching the earth at a relative speed of 0.85c. The mass of the ship is 1.00 X 107 kg. find the classical momentum of the ship
An airplane is flying with a velocity of 86.0 at an angle of 23.0 above the horizontal. When the plane is a distance 114 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
An electric vehicle starts from rest and accelerates at a rate of 1.8 m/s2 in a straight line until it reaches a speed of 18 m/s. How far does the vehicle move from start to stop
A 2.0 uF capacitor is first charged by being connected across a 6.0 V battery. Find the charge on each of the capacitors
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