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A cart with mass 320 g moving on a frictionless linear air track at an initial speed of 1.9 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. After the collision, the first cart continues in its original direction at 1.18 m/s. What is the mass of the second cart? What is its (second cart) speed after impact? What is the speed of the two-cart center of mass?
You have the urge to connect to nature and become a hunter who uses a slingshot. You make a slingshot from a 50cm long piece of rope in which you put a m=50 g stone, How long is the stone in the air
Calculate the increase in internal kinetic energy (that is, for the ship and the shell). This energy is less than the energy released by the gun powder-significant heat transfer occurs
A ball of mass 0.40kg has a kinetic energy of 28.8J. What is the magnitude of the linear momentum of the ball
Modeling the optical trap as a Hookean spring, evaluate the trap stiffness using the Boltzmann distribution. Determine the sphere diameter by comparing the Stokes drag and the tweezer force that balances the drag.
A certain atom has an energy level 3.70eV above the ground state. When excited to this state, it remains 9.00%u03BCs , What is the wavelength of the photon
Two long, parallel wires carry currents of 0.245 A in the same direction. If the wires are 0.034 m apart, Is this force attractive or repulsive
The intake in the figure has cross-sectional area of 0.79 m2 and water flow at 0.44 m/s. What is the pressure difference between inlet and outlet
Find out the final speeds of the two objects. What is the angle at which the object with mass 3m is scattered?
how long does it take to reach the new equilibrium position.
A conducting rod whose length is 25.0 cm is placed on a U-shaped metal wire that has a resistance R of 8.00 ohms. Find the magnitude and direction of the induced current in the wire
A police officer spots a speeding car traveling at 20 m/s (approximately 44 mph) as it passes. How far will the officer have to drive before catching up to the speeding car
Two identical guitar strings are prepared such that they have the same length (2.17 m) and are under the same amount of tension. find the wave propagation speed on the guitar strings
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