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A spring, with a spring constant k = 150 N/m, is hung vertically from the ceiling. A 7.50 kg mass is attached to the end of the spring and then released. The mass moves downward until the spring is fully stretched, then starts to move back up as the spring begins to contract. What is the maximum distance through which the mass falls before starting to move back up?
A baseball (m = 139 gram) approaches a bat horizontally at a speed of 38.5 m/s (86 miles per hour) and is hit straight back at a speed of 45.4 m/s (102 mi/h). find the average force exerted on the ball by bat
A beam of neutral hydrogen atoms with a speed of 104 m/s along the x-axis enters a 1 m long region, compute The acceleration of the atoms while in the magnetic field region
A 0.954-kg toy car is powered by 2 C cells (3.00V total) connected directly to a small DC motor. The car has an effective energy conversion efficiency of 52.6%, What is the average current supplied to the car\'s motor
A boat moves through the water with two forces acting on it. One is a 1500 N forward push by the water on the propeller, What is the acceleration of the 1400 kg boat
A ball is thrown upward in the air by a passenger on a train that is moving with constant velocity. Describe the path of the ball as seen by the passenger
The angular momentum of a flywheel having a rotational inertia of 0.647 kg·m2 about its central axis decreases from 6.30 to 0.880 kg·m2/s in 3.00 s. How much work is done on the wheel
an m1400-kg car is on a horizontal dry road that has a coefficient of static friction 0.8. the coefficient of kinetic
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q1. a screen is placed 51.0 cm from a single slit that is illuminated with light of wavelength 677 nm. if the distance
Why should a researcher identify and evaluate intended and unintended consequences of all the solution ideas?
Discuss the general solutions for the line voltage and current in time-domain and the notation associated with their representation in concise form.
question1a variable reluctance sensor consists of a core a variable air gap and an armature. the core is a steel rod of
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