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Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 3.6 m/s2 for 4.3 seconds. It then continues at a constant speed for 7.4 seconds, before applying the brakes such that the car's speed decreases uniformly coming to rest 185.78 meters from where it started. The yellow car accelerates uniformly for the entire distance, finally catching the blue car just as the blue car comes to a stop.
1) What is the total time the blue car is moving?
2) What is the acceleration of the yellow car?
A 3m-long rigid beam with a mass 140 kg is supported at each end. An 75 student stands 2m from support 1.
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Two packages at UPS start sliding down the ramp. Package A has a mass of 6.50 and a coefficient of kinetic friction of 0.19. Package B has a mass of 9.50 and the coefficient of kinetic friction of 0.140. How long does it take package A to reach th..
Ray decides to paint the outside of his uncle's house. He uses a 4.0-m-long board supported by cables at each end to paint the second floor. find the force that the left cable exerts on the board
The isotope Po (A-218 Z-84) can decay by either alpha or beta emission. What is the energy release in each case
An airplane flies 200km due west from city Band then 285 km in direction of 28 degrees north of west from city B to city C. in a straight-line distance how far is city C from city A.
Your report should comprise be in the form of a two page memo/document that discusses the regulations and explain how they will apply to your hiring process.
Create a graph of x-position, x-velocity, and x-acceleration versus time and a graph of y-position, y-velocity, and y-acceleration versus time.
The potential difference between the plates of a capacitor is 180V. Midway between the plates; a proton and an electron are released. The electron is released from rest.
A 240 , 50.0-cm-diameter turntable rotates on frictionless bearings at 57 . A 22 block sits at the center of the turntable. A compressed spring shoots the block radically outward along a frictionless groove in surface of the turntable. What is turn..
Consider a comet in a long, thin elliptical orbit with a semi-major axis of one AU. Illustrate what can you say about the sidereal period of this comet?
A noisy grinding machine in a factory produces a sound intensity of 1.40 multiply.gif 10-3 W/m2. Calculate the decibel level of this machine
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