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Question1
A curve of radius 160 m is banked at an angle of 11°. An 808-kg car negotiates the curve at 88 km/h without skidding. Ignore the effects of air drag and rolling friction. Find out the following points.
(a) The normal force exerted by the pavement on the tires
(b) the frictional force exerted by the pavement on the tires
Question2
An 26 g rifle bullet traveling 370 m/s buries itself in a 4.8 kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. Determine the greatest vertical displacement of the pendulum (height). (g = 9.8 m/s2)
The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 6.64 m, Find the ratio of the centripetal acceleration at the end of the blade to that which exists at a point
Batman and Robin are attempting to escape that dastardly villain, the Joker, by hiding in a large pool of water (n=1.33). The Joker stands gloating at the edge of the pool.
A sphere of radius 6.21 cm and uniform surface charge density, Find the separation between the point charge and the center of the sphere
When a golfer tees off, the head of her golf club which has a mass of 280 g is traveling 58 m/s just before it strikes a 46-g golf ball at rest on a tee. determine the speed of the golf ball just after impact
question1consider a thin rod of mass 1.4 kg length 2.7 m and uniform density. the rod is pivoted at one end on a
What is the relationship between the light emitted by an atom and the energies of the electrons in the atom?
A motorcycle has a constant speed of 25.0 m/s as it passes over the top of a hill whose radius of curvature is 118 m, Find the centripetal force that acts on the cycle
A motorcycle cop, parked at the side of a highway reading a magazine, is passed by a woman in a red Ferrari 308 GTS doing 90.0 km/h. After a few attempts to get his cycle started, the officer roars off 2.00 s later.
A gardener pushes a box of tools across a driveway by applying a 22.5- N force that pushes downward at an angle of 23.1 o, How much work is done if the box moves 2.55 m in the horizontal direction
A cue ball traveling at 0.80 m/s hits a stationary 8-ball, which moves off with a speed of 0.27 m/s at an angle of 35° relative to the cue ball's initial direction. at what angle will the cue ball be deflected
When responding to sound, the human eardrum vibrates about its equilibrium position. What is the maximum acceleration of the eardrum
Find the position of the object to acquire real, magnified image, inverted, and virtual, upright image.
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