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A 32-kg block attached to a spring of constant k = 12 kN/m can move without friction in a slot as shown. The block is given an initial 300-mm displacement downward from its equilibrium position and released. Determine 1.5 s after the block has been released
(a) the total distance traveled by the block,
(b) the acceleration of the block.
A 24.0 kilogram gold bar at 27.0°C is located in a large, insulated 0.800 kilogram glass container at 15.0°C with 2.00 kilogram of water at 25.0°C. Estimate the final equilibrium temperature
One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. The tension in the wire is 145 N. What is the radius of the brass ball
1. two 0.85-m-long pendulums hang side by side. the masses of the pendulum bobs are 75 g and 95 g. the lighter bob is
A uniform electric field points midway between the positive x and y axies. Its strength is 100Volts/m. A -50nC charge is placed at the position ( 2m, 3m ) and fixed in place. What are the components of the total electric field at the location (..
A bat can detect small objects such as an insect whose size is approximately equal to one wavelength of the sound the bat makes. what is the smallest insect a bat can detect
a pendulum consists of a small object hanging from the ceiling at the end of a string of negligible mass. the string
The second-order dark fringe in a single-slit diffraction pattern is 1.40 mm from the center of the central maximum. calculate the wavelength of the incident light
Two astronauts, each having a mass of 80.0 kilogram, are connected by a 9.0 meter rope of negligible mass. They are isolated in space, Determine the new rotational energy of the system
a 2 kg ball moving at 3 m/s hits a wall and bounces off. immediately after the collision it moves at 3 m/s in the opposite direction. what is the magnitude of the change in the objects momentum
An electron is accelerated by a constant electric field of magnitude 275 N/C. Discover the acceleration of the electron. Use the equations of motion with constant acceleration to discover the electron's speed after 9.50*10-9 s, assuming it starts fro..
A positively charged rubber rod is moved close to a neutral copper ball that is resting on a nonconductin sheet of plastic. (a) Show how the charges are arranged on these spheres if they are very far from each other.
A capacitor with 10 microfarad capacitance is connected in series with a resistor of 2.5 mega-ohms. If this capacitor is charged to 4 volts, and the circuit is closed, how many seconds will pass before the voltage drops to 1 volt?
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