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A 2 kilogram block is attached to a horizontal ideal spring with a spring constant of 200 N/m. when the spring has its equilibrium length the block is given a speed of 5 m/s. Estimate the maximum elongation of the spring?
Evaluate the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
a force of magnitude 7.50 pushes three boxes with masses m1 1.30 kg m2 3.20kg and m3 4.90 kg find the magnitude of the
a solenoid is wound with a single layer of insulated copper wire of diameter 2.500 mm and has a diameter of 3.000 cm
a 50-N crate is pulled up a 5-m inclined plane by a worker at a constant velocity. what is the force applied by the worker
The highest-energy photons emitted by a hydrogen atom have an energy of 13.6 eV. Find the energy, in joules, of one of these photons
a wheel of perimeter 220 cm rolls on a level road at a speed of 9 km/hr how many revolutions does the wheel make per second
A pail of water is rotated in a vertical circle of radius 0.70 m. What is the minimum speed of the pail at the top of the circle ifno water is to spill out
An 87.6-mH inductor anda 6.37-µF capacitor areconnected in series with a generator whose frequencyis 391 Hz. The rms voltage across the capacitor is 2.26V. Determine the rms voltage across the inductor.
computer-controlled display screens provide drivers in the indianapolis 500 with a variety of information about how
In an isometric exercise a person places a hand on a scale and pushes vertically downward, keeping the forearm horizontal. This is possible because the triceps muscle applies an upward force perpendicular to the arm, because the figure indicates.
To recharge a 15.0 V battery, a battery charger must move 3.63×105 C of charge from the negative terminal to the positive terminal. How much work is done by the battery charger
A 13 cm × 13 cm × 13 cm box containes 0.025 mol of nitrogen at 30°C. What is the rate of collisions (collisions/s) on one wall of the box
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