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An airplane makes a gradual 90° turn while flying at a constant speed of 200 m/s.The process takes 20.0 seconds to complete. For this turn the magnitude of the average acceleration of the plane is:A) zero B) 40 m/s2 C) 20 m/s2 D) 14 m/s2 E) 10 m/s2
An 52.0 N box of clothes is pulled 6.7 m up a 30.0° ramp by a force of 107 N that points along the ramp. If the coefficient of kinetic friction between the box and the ramp is 0.22, compute the change in the box's kinetic energy.
A soap bubble (with index of refraction 1.33) is floating in air. If the thickness of the bubble wall is 114 nm, what is the wavelength of the visible light that is most strongly reflected
Traffic is moving along the highway at 51 km/h on a rainy day. Illustrate what is the minimum coefficient of friction between tires and road that will allow cars to negotiate the turn without sliding off the road?
Consider the highest-lying electron on the boron atom. What is the value of the orbital angular momentum of this electron. What are the possible values of the z-component of orbital angular momentum?
A 1600 kg car drives around a flat 210m -diameter circular track at 25m/s. What is the magnitude of the net force on the car
Runner A is initially 1.0 mi west of a flagpole and is running with a constant velocity of 8.0 mi/h due east. How far are the runners from the flagpole when they meet
A simple loop circuit contains an inductor with inductance 2.45×10?2 H and a capacitor. what is the maximum current through the circuit
The intensity on the screen at a certain point in a double-slit interference pattern is 72.0% of the maximum value. What minimum phase difference (in radians) between sources produces this result
A motion cart is nudged from the top of a 53° frictionless inclined plane that has one end propped up at a vertical height of 0.08 m. What is the final velocity of the cart
A transmission diffraction grating 420 lines/mm is used to study the light intensity of different orders (n). A screen is located 2.5m from the grating. What is the separation on the screen between the three brightest red lines for a hydrogen source?
For a demonstration, a professor uses a razor blade to cut a thin slit in a piece of aluminum foil, What is the width of the slit
A hypodermic syringe has a piston area of 0.5 cm^2 and a needle with circular opening of diameter 0.2 mm. What is the gauge pressure in the syringe while pushing the piston with 1 N of force
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