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Best UK USA UAE Australia Canada China Online Physics Magnitude of Acceleration Homework Help Service Online 1. A ball of mass 5 kg and a block of mass 12 kg are attached by a lightweight cord that passes over a frictionless pulley of negligible mass as shown in the figure. The block lies on […]
Best UK USA UAE Australia Canada China Online Physics Problems Homework Help Service Online 1.The vibration frequency for the molecule HF is 1.24 x 1014 Hz. The mass of a hydrogen atom is 1.67 x 10-27 kg, and the mass of a fluorine atom is 3.15 x 10-26 kg. (a) What is the force […]
Best UK USA UAE Australia Canada China Online Physics Kinetic Energy Questions Homework Help Service Online 1.What is the kinetic energy of an electron with a wavelength equal to the diameter of a hydrogen atom (0.1 nm)? 2.An electron collides elastically with a stationary hydrogen atom. The mass of the hydrogen atom is […]
Best UK USA UAE Australia Canada China Online Classical Physics Homework Help Service Online 1.A particle moves in the xy plane under the constraint that its velocity vector is always directed toward a point on the x axis whose abscissa is some given function of time f(t). Show that for f(t) differentiable, but otherwise […]
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Best UK USA UAE Australia Canada China Motion In Two Dimensions Homework Help Service Online 1.A friend throws a baseball horizontally. He releases it at a height of 2.0 m and it lands 21 m from his front foot, which is directly below the point at which he released the baseball. (a) How long […]
Best UK USA UAE Australia Canada China Online Physics Motion In Two Dimensions Homework Help Service Online 1.Two girls decide to jump off a diving board. Katherine steps off the diving board. Anna runs straight off the diving board so that her initial velocity is solely horizontal. They both leave the diving board at […]
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Best UK USA UAE Australia Canada China Online Physics Equation of Motion Homework Help Service Online 1.The brochure advertising a sports car states that the car can be moving at 100.0 km/h, and stop in 37.19 meters. What is its average acceleration during a stop from that velocity? Express your answer in m/s2. Consider […]