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Atwood's Machine The two masses (m1 = 5.1kg and m2 = 2.5kg ) in the Atwood's machine are released from rest, with m1 at a height of 0.95m above the floor. When m1 hits the ground its speed is 1.8m/s. Assuming that the pulley is a uniform disk with a radius of 12 cm. Determine the pulley's mass. Please show all formulas and work.
An athlete starts at point A and runs at a constant speed of 6m/s around a round track 100 m in diameter, what is x component of this runner's average velocity between points A and B.
A car travels due east with a speed of 32.0 km/h, The traces of the rain on the side windows of the car make an angle of 52.0° with the vertical, Find the velocity of the rain
Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.00 m. What is the frequency of the sound
A 220 g bird flying along at 6.69 m/s sees a 8.2 g insect heading straight toward it with a speed of 22.66 m/s. What is the bird's speed immediately after swallowing
what is the kinetic energy of the system. assume the roller coaster in Fig. 6-41 (h1 = 36 m, h2 = 14 m, h3 = 25) passes point 1 with a speed of 2.00 m/s. If the average force of friction is equal to one sixth of its weight, with what speed will it ..
You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1.8x10^7m and its rotation period to be 22.3 hours, find the mass of the planet and star
A carousel is initially at rest. At t=0 it is given a constant angular acceleration a=0.060 rad/s2, which increases its angular velocity for 8.0s. determine the angular velocity of the corousel
A loudspeaker is generating sound in a room. At a certain point, the sound waves coming directly from the speaker, What is the total intensity level
Airtight box has a removable lid of area 1x10-2m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 0.85x 10^5Pa. The inside of the box is completely evacuated. What is the magnitude of the force essen..
If the frequencies are swept over a plusminus.gif2.00% range centered on 86.0 MHz, what is the range of wavelengths broadcast
What is the inductance L of a coil connected to this capacitor if the oscillation frequency of the L-C circuit is 1.52MHz , corresponding to one end of the AM radio broadcast band
A 43.5 mA current is carried by auniformly wound air-core solenoid with 460 turns, a 17.0 mmdiameter, and 11.0cm length. Compute the magnetic flux through each turn
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