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A 292 kg motorcycle is accelerating up alongvacramp that is inclined 30.0 degrees above the horizontal. The propulsion force pushing the motorcycle up the ramp is 3150 N, an air resistance produces acforce of 200 N that opposes the motion, find the magnitude of the motorcycle's acceleration.
What is an average speed of this train
The figure shows a simple harmonic wave at time t = 0 (blue curve) and later at t = 1.9 s (red curve). Write a mathematical description of this wave. (Use the following as necessary: x and t. Assume the wave is traveling to the right and that less..
A small but measurable current of 7.4 x 10-10 A exists in a copper wire whose diameter is 2.9 mm, calculate the current density and electron drift speed
You lay a mirror flat on the floor with one edge against a wall and aim a laser at the mirror. Find the angle of incidence of the laser ray on the mirror
An aluminum wire carrying a current of 9.0 A has a cross-sectional area of 7.0 10-6 m2. Find the drift speed of the electrons in the wire
A player bounces a 0.47 kg soccer ball off her head, changing the velocity of the ball from i = (9.2 m/s) + (-2.7 m/s) to f = (6.1 m/s) + (5.5 m/s). The ball is in contact with the player's head for 6.70ms.
The plates of a spherical capacitor have radii 54.8 mm and 57.3 mm. Calculate the capacitance in picofarads. What must be the plate area in square centimeters of a parallel-plate capacitor with the same plate separation and capacitance?
The nuclear radii of aluminum and gold are approxi- mately r = 3.6 fm and 7.0 fm, respectively. The radii of protons and alpha particles are 1.3 fm and 2.6 fm, respectively. What energy a particles would be needed in head-on collisions for the nucl..
A train leaves the railroad station with an acceleration of 0.06m/s2. How far has the train traveled
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 12.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mole. (b) Imagine adding electrons to the pin until the negative charge h..
An atom in a metastable state has a lifetime of 6.20 ms. What is the uncertainty in energy of the metastable state
On another planet the simple pendulum consisting of a 0.154 kg mass suspended on a 1.20 m long string has a period of 3.860 seconds. What is acceleration on this planet.
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