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A 4.0 kilogram cart moving to the right and a 6.0 kilogram cart moving to the left on a horizontal frictionless surface. When the two carts collide they lock together. What is the magnitude of the total momentum of the two-cart system after the collision? Cart A is moving at a speed of 3.0 m/s and Cart B is moving at a speed of 3.0 m/s?
A resistor of unknown resistance and a 42.0-? resistor are connected across a 123.0-V emf device in such a way that an 10.0-A current flows
A typical wall outlet voltage is 120 volts in the United States. calculate the number of turns on the secondary coil of the adapter transformer
The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. Evaluate at what height above the surface of the earth does the balloon have a speed of 7.00 m/s? Enter a number.
A 480 W heating coil designed to operate from 100 V is made of Iron wire 0.548 mm in diameter, calculate the length of wire used
Although California is known for earthquakes, it has large regions dotted with precariously balanced rocks that would be easily toppled by even a mild earthquake. What would be the magnitude of the maximum acceleration of the oscillation, in terms ..
The minimum-wavelength X-ray produced by a certain X-ray tube is 0.283 nm. Find the minimum voltage applied to the tube
assume a bar 2 m long expands 0.6 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated.
A passenger plane lands on the runway at 300kmhrô???1. In a glass of water in the cabin, calculate the deceleration of the plane
At a reception, a 0.5 kg chunk of ice at -10 degres Celsius is placed in 3.0 kg of "iced" tea at 20 degrees Celsius. At what temperature and in what phase will the final mixture be
A dog running in an open field has components of velocity v_x = 3.2 m/s and v_y = -2.1 m/s at time t_1 = 11.6 s. For a time interval from t_1 = 11.6 s to t_2 = 19.7 s, the average acceleration of the dog has magnitude 0.30 m/s^2 and direction 35.0..
A mass of 1.0 kg is dropped from a height of 8.0 m above the top of a spring of constant k=200 N/m mounted vertically on the floor. Find the springs maximum compression
Two equal positive charges of magnitude q1 = q2 = 6 nC are on the y axis at y1 = +3 cm and y2 = -3 cm. (a) What is the magnitude and direction of the electric field on the x axis at x = 6 cm? b) What is the force exerted on a third charge q0 = 4 n..
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