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A pulse travels on a string 8.0 m long and 12 g mass. If the tension in the string is 32 N, how long does it take the pulse to travel the length of the string?
What is the magnitude of net force causing the acceleration.
The tractor beam exerts a constant force of 4.0 104 N on the shuttlecraft. Both spacecraft are initially at rest. Explain how far does the starship move as it pulls the shuttlecraft aboard?
Assume that the total energy E of an electron greatly exceeds its rest energy. If a photon has a wavelength equal to the de Broglie wavelength of the electron, what is the photon's energy
A Carnot air conditioner takes energy from the thermal energy of a room at 294 k and transfers it as heat to the outdoors, which is at 309 k. for eacg joule of electric energy needed to operate the air conditioner, how many joules are removed from..
An airplane is flying with a velocity of 96.0m/s at an angle of 19.0(degrees) above the horizontal. How far from the dog will the suitcase land
Mars Rover When the Mars rover was deployed on the surface of Mars in July 1998, radio signals took about 14 {rm min} to travel from Earth to the rover. How far was Mars from Earth at that time.
As an electron moves through a region of space , its speed decreases from 8*10^6 m/s to 3*10^6 m/s. Through what potential difference did the electron move
Two plastic spheres, each carrying charge uniformly distributed throughout its interior, are initially placed in contact and then released, Find the maximum acceleration achieved by the sphere of mass 55.0g
A student pushes a 60 kg couch across a carpet at a constant velocity. find the magnitude of the force of the student on the couch
An arrow is shot from the top of a castle wall. It hits the ground 543 m away from the base of the wall with a velocity of 79.0 m/s at an angle of 29.7 degrees below the horiztonal
A 50 kg projectile is fired over level land at an angle of 30 degrees above the horizontal with a muzzle velocity of 210 m/s. How much energy was released during the explosion
Coasting along at 8.10 m/s, a 60.0 kg bicyclist on a 8.60 kg bicycle encounters a small hill. how much work was done on the bicyclist and her bike
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