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A car drives around a curve with radius 405 m at a speed of 39 m/s. The road is banked at 4.7o. The mass of the car is 1600 kg.
(a) What is the frictional force on the car?
(b) At what speed could you drive around this curve so that the force of friction is zero?
Two identical metallic blocks resting on a frictionless horizontal surface are connected by a light metallic spring having a spring constant k as shown in the figure and an unstretched length Li
An object is hung from a spring balance attached to the ceiling of an elevator cab. Determine the reading when the elevator is moving upward with a constant speed of 8.5 m/s
A 250 kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, What fraction of the power carried by the line is this
a 360g block hangs from a spring with k5.19 nm. at t0s the block is 18.4 cm below the equilibrium position and moving
An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 6.0 V for 0.65 ms. find The average power supplied by the pacemaker
Given that the beam is uniform and has a mass of 108 kg, the angle θ= 35o, x2 = 3.55 m, x1= 2.18 m, and that the mass of the street light is m = 42.7 kg, find the tension in the cable. Use 9.8 m/s2 and express your answer to three significant digi..
an ocean liner leaves new york city and travels 16.0deg north of east for 245 km. how far east and how far north has it
For a certain transverse wave, the distance among two successive crests is 1.20 m and eight crests pass a given point along the direction of travel every 14.50s. Compute the wave speed.
q1. a roller-coaster track has six semicircular dips with different radii of curvature. the similar roller-coaster cart
An atom is ionized so that it has only one electron. When the electron drops from the n = 3 shell to the n = 1 shell, What is the atomic number
A rocket of total mass M and with burnout mass 0.20 M attains a speed of 3 200 m/s after starting from rest in deep space. Evaluate the exhaust velocity of the rocket?
A Ferris wheel is moving at an initial angular velocity of 1.0 rev/54 s. If the operator then brings it to a stop in 3.4 min, what is the angular acceleration of the Ferris wheel
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