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A 545g block is pushed onto a spring (k = 485 N/m) at a distance of 18.0 cm.
1. When the ball is released, what is its velocity?
The block slides across a smooth surface once it leaves the spring and then up a ramp. It travels up the ramp on a distance of 275 cm.
2. What is the elevation angle of the ramp?
The input of a variable auto transformer is connected to an alternating is connected to an alternating emf of 120 V rms. the output is connected to a resistor of 100?. the output voltage varies linearly from 0 at theta = full CCW position to 120 V..
an object which has a height of 12.5 cm is placed 45.0 cm in front of a concave spherical mirror which has a focal
question. no 1 a lift is filled with patients has a total mass of 2055 kg. as the lift begins to go up the
As measured in Earth's frame of reference, two planets are4.25×105 km apart. How fast is the ship traveling in m/s
A solenoid of length 3.3 cm and diameter0.90 cm is wound with 180 turns per cm. The current is decreasing at a rateof 35.0 A/s. What is the induced emf in one of the windings
Two sinusoidal waves traveling in opposite directions interfere to produce a standing wave with the wave function y = (2) sin(0.5x) cos(500t), Determine the wavelength of the interfering waves
q1. a thunderstorm drops half an inch of rain which is about 1.27cm on chicago which covers are area of about 228
The angular acceleration of a wheel is ? = 5.0t4 – 3.0t2, with ? in radians per second-squared and t in seconds. At time t = 0, the wheel has an angular velocity of +7.0 rad/s and an angular position of +4.0 rad. Write expressions for (a) the angular..
Some nucleus of 74X189 (atomic mass = 188.96191 u) undergoes - decay to become 75X189 (atomic mass = 188.95922 u). What is the energy (in MeV) released in this process
The width of the contact of each wire with your skin is 1.10 cm and the thickness of the conducting layer of your skin is 0.023 mm, calculate the resistivity of your skin
A length of aluminium wire is connected to a precision 10.00 V power supply, and at 20.0C the current through it is measured precisely to be 0.4212 A. determine the unknown temperature
the underwater tunnel in the aquatic center is fabricated from a transparent polycarbonate material formed in the shape
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