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Q1. A car at the Indianapolis-500 accelerates uniformly from the pit area, going from rest to 325 km/h in a semicircular arc with a radius of 192 m.
find out the tangential acceleration of the car when it is halfway through the turn, assume constant tangential acceleration.
Q2. Recognize and sketch all the external forces acting on the chair. Because the chair can be represented as a point particle of mass, draw the forces with their tails centered on the black dot in the middle of chair. Be certain to draw the forces so that they have the accurate orientation.
An object of mass 0.77 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a speed of 16.2 m/s. Find the magnitude of the average force acting on the ball
A 10720 kg sailboat is moving through the waters of the Atlantic. Initially, the boat is traveling at 35 mph, 33 degrees East of North. calculate the force of the wind on the boat
If a car takes a banked curve at less than a given speed, friction is needed to keep it from sliding toward the inside of the curve (a real problem on icy mountain roads).
How does the solar nebula theory describe the dramatic density difference between the terrestrial and Jovian planets.
The drawing shows one horizontal wire with the current going up and one vertical wire with the current going to the right. Point A is dH to the right and dV above the intersection. Point B is dH to the left and dV below the intersection.
The speed of a particle moving in a circle 2.0 m in radius increases at the constant rate of 4.4 m/s2. what is the speed of the particle
An X-ray tube gives electrons, which start at rest, a constant acceleration over a distance of 23cm. If their final speed is 1.3 x 107 m/s, what are the time they spend accelerating
What minimum force must be applied to the crate perpendicular to the incline to prevent crate from sliding down the incline.
What is the smallest distance required to stop the plane
Two farmers are standing on opposite sides of a very large empty field that is 520.6 m across. What is the temperature of the air
The sound level of a single vacuum cleaner is about 75dB and a television is about 55dB. What is the sound level number
Find out an acceleration of mass and tension in the string
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