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The position of a particle moving along an x axis is given by x = 13.0t^2 - 2.00t^3, where x is in meters and t is in seconds. Determine (a) the position, (b) the velocity, and (c) the acceleration of the particle at t = 4.00 s. (d) What is the maximum positive coordinate reached by the particle and (e) at what time is it reached? (f) What is the maximum positive velocity reached by the particle and (g) at what time is it reached? (h) What is the acceleration of the particle at the instant the particle is not moving (other than at t = 0)? (i) Determine the average velocity of the particle between t = 0 and t = 4.00 s.
A swimming pool is 50 m long by 23 m wide and is less deep at one end than at the other. The depth at the shallow end is 1.18 m, and the depth at the deep end is 3.95 m. The slope is continuous (smooth) from one end to the other. What is the differen..
you are practicing throwing darts in your dorm. you stand 3.33 m from the wall on which the board hangs. the dart
A pendulum clock keeps time by the swinging of an attached mass at the end of a massless string of length L, What is the angular position of the mass at t = 0.246s
five kilograms of liquid water at 0deg c is put into the freezer compartment of a carnot refrigerator. the temperature
An asteroid is discovered heading straight toward Earth at 14km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 {rm min}, after which asteroid is moving at 26^circ to its original path at a..
One particle has a mass of 4.41 x 10-3 kg and a charge of +6.92 ?C. A second particle has a mass of 6.52 x 10-3 kg and the same charge. The two particles are initially held in place and then released.
Many years ago the Federal Communications Commission (FCC) assigned Microwave Ovens two different operational frequencies. Some of the very old microwave ovens used a frequency of 915 MHz rather than the current 2450 MHz that is almost exclusively..
A solid uniform sphere of mass M and radius R has atranslationavelocity of 10m/s while rolling w/o slipping. estimate to whatmaximum height will it attain
A fly wheel with a radius of 0.400m starts from rest and accelerates with a constant angular acceleration of 0.300 rad/sec^2. find the resultant acceleration of a point on its rim after 2 sec
Two identical closely spaced circular disks form a parallel-plate capacitor. What are the diameters of the disks
A copper bar 2.5 m long has a circular cross section of radius 2 cm. One end is kept at 80 oC and the other end is kept at 0 oC. what is the thermal current in the copper bar
A 85.1 kg astronaut is working on the engines of a spaceship that is drifting through space with a constant velocity. How long does it take the astronaut to reach the ship
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