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1. Highway curves are usually banked at an angle θ such that the horizontal component of the reaction force of the road on the car traveling at the design velocity equals the required centripetal force. Find the proper banking angle for a car making a turn of radius r at velocity v.
Calculate the percentage of light that goes through the polarizer-analyzer pair in terms of the incident light intensity
As part of a carnival game, a 0.503-kg ball is thrown at a stack of 19.3-cm tall, 0.423-kg objects and hits with a perfectly horizontal velocity of 10.6 m/s, what is the moment of inertia of the object
A vertical cylindrical tank contains 1.80 mol of an ideal gas under a pressure of 1.00 atm at 20.0oC. how tall is the column of gas that is supporting the piston
A kicker punts a football from the very center of the field to the sideline 37 yards downfield. What is the direction of the net displacement of the ball?
An electron is released from rest1.5cm from an infinite charged plane. It accelerates toward the plane and collides with a speed of3.0107m/s. What is the surface charge density of the plane
An RL circuit with L = 1.00 H and an RC circuit with C = 4.00 µF have the same time constant. What is this common time constant
A Styrofoam calorimeter contains 40.0g of water at 50°C. To this we add 2.0g of ice at initial temperature of 0°C. How much heat (in calories) is needed to melt the ice
A baseball (mass = 140 g) is pitched so that it crosses home plate with a speed of 92.0 mph at an angle of 18.4degree below the horizontal. find the impulse delivered to the ball by the bat
a proton is released from rest at the positive plate of a parallel plate capacitor. it crosses the capacitor and
Two 7.0kg bowling balls, each with a radius of 0.17m, are in contact with one another. What is the gravitational attraction between the bowling balls
An object executing simple harmonic motion has a maximum speed of 4.4 and a maximum acceleration of 0.66 , Find the amplitude of this motion in meters
Two parallel square metal plates (side length: 13 cm) are separated by a dielectric material with a dielectric constant 3.9 and a thickness of 2.4 mm. Find the energy stored on the capacitor
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