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Two blocks with masses M1= 4.9 and M2 = 3.5 are connected with a massless string over two massless and frictionless pulleys. One end of the string is connected to M1 while the other end is fixed. What is the acceleration of mass M2?
A potential energy function for a two-dimensional force is of the form U = 3.89x3 y - 5.96x. Calculate the force that acts at the point (1.28m,1.17m). Enter the x-component first and then the y-component.
What should the charge (sign and magnitude) of a particle of mass 1.487 be for it to remain stationary while placed in a downward-directed electric field of magnitude 630.
A 8760-kg car is travelling at 29.7 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 roller-coaster vehicle has a mass of 506 kg when fully loaded with passengers, If the vehicle has a speed of 19.0 m/s at point A, what is the force of the track on the vehicle at this point
Find the normalization constant co and the probability of finding the particle in the interval ±a//5. What is the mean momentum?
The pendulum in a grandfather clock is made of brass and keeps perfect time at 17.8°C. How much time is gained or lost in a year if the clock is kept at 23.5°C
A 82 person sits on a 3.8 chair. Each leg of the chair makes contact with the floor in a circle that is 1.4 in diam. Determine out the pressure exerted on the floor by each leg of the chair, Assume the weight is evenly distributed.
a) calculate E1' and E2', the lorentz transformations of E1 and E2 b) calculate the distances E1E2 and E1'E2' with the four dimensional scalar product of the time position vector within itself
What is the longest wavelength of light capable of ionizing a hydrogen atom in the n = 2 state
You attach a meter stick to an oak tree, such that the top of the meter stick is 2.67 meters above the ground. how high above the ground was the acorn before it fell
the index of refraction for crown glass is 1.512 at a wavelength of 660 nm (red), what is the angle of refraction for each wavelength
The speed of light is 3 x 10^8 m/s. The sun is 93 million miles from earth. How many minutes does light take to reach the earth
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