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A cart with mass 470 g moving on a frictionless linear air track at an initial speed of 1.8 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 1.1 m/s. (a) What is the mass (in g) of the second cart? (b) What is its speed after impact? (c) What is the speed of the two-cart center of mass?
Calculate the power spectrum of square pulse with amplitude, A and length, τ0. plot the power spectrum, shower several zero-crossings
The radius of Venus's orbit is 0.72 times that of Earth's orbit. How much stronger is the Sun's gravitational field at Venus than at the earth.
A 2 kg mass is placed at rest against a spring of spring constant 5 N/m, which is compressed by 10 cm from its equilibrium position. find the amount of potential energy stored in the spring
Two cars collide at an intersection. Car , with a mass of 1800 , is going from west to east, while car , of mass 1300 , is going from north to south at 16.0. How fast was car going just before the collision
A container of groceries has a mass of 15.0 kg. if its coefficent of static friction is 0.20 what force is needed to start the container to move
An infinite conducting sheet lies in the xy plane. It has a width of 4.5 cm and a current density of 5200 A/m^2 in the negative direction. what is the direction of the force on the electron
An inductor is connected to a 15kHz oscillator that produces an rms voltage of 7.0V. What is the value of the inductance L
A 8760-kg car is travelling at 27.8 m/s when the driver decides to exit the freeway by going up a ramp. What is the magnitude of the average drag force exerted on the car
A 62 kg skier coasts up a snow-covered hill that makes an angle of 25° with the horizontal. What is the magnitude of the kinetic frictional force
If a steel ball with half the mass of the steel ball you used in class was used, what would its initial horizontal velocity be
A plucked guitar string produces a sound wave of frequency 440 Hz. What is the wavelength of the sound wave
A piece of cheese with a mass of 1.11 kg is placed on a vertical spring of negligible mass and a force constant k= 2000N/m that is compressed by a distance of 17.9cm
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