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A steel cable with total length 26 m and mass 140kg is connected to two poles. The tension in the cable is 6,521 N, and the wind makes the cable vibrate with a frequency of 2 Hz. Calculate the wavelength of the resulting wave on the cable.
What is the radius of a hydrogen-filled balloon that would carry a load of 3700 N (in addition to the weight of the hydrogen) when the density of air is 1.29 kg/m3
Now your cousin wants to go on the playground slide, which is 1.5 meters long and has an incline of 30 degrees. what is her final velocity in ms when she reaches the bottom
A grasshopper jump 1.00 meter from rest, with an initialvelocity at a 45 degree angle with respect to the horizontal. Find the initial speed of the grass hopper
A 1.562 kg object oscillates with simple harmonic motion on a string with a force constant of k=1500.0 n/m. If the maximum speed is 7.498 cm/s, what is the total mechanical energy and what is the amplitude of the oscillation?
A 9.0 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. What is the mass of the canoe
Perfectly, when a thermometer is utilized to measure the temperature of an object, the temperature of the object itself must not change. However, if a important amount of heat flows from the object to the thermometer, the temperature will change.
Light from a sodium lamp (lamda=589 nm) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm. What is the spacing (in mm) between the two slits
The Sun is approximately a sphere of radius 6.963 105 km, at a mean distance a = 1.496 108 km from the Earth. calculate its surface temperature
Rocket A has an initial velocity of +4700 m/s, while rocket B has an initial velocity of +9400 m/s. After a timet both rockets are again side by side, the displacement of each being zero. The acceleration of rocket A is -19 m/s2. What is the accel..
You are pulling your friend in a sled in a straight line to the right at a constant speed. How far would the sled/ person travel in this time
A 62.1 kilogram skier coasts up a snow-covered hill that creates an angle of 23.1 degree with the horizontal. Find the work done by the kinetic frictional force that acts on the skier
An ant, crazed by the sun on a hot Texas afternoon, darts over an xy plane scratched in the dirt. What are the magnitude and angle (relative to the positive x axis) of the overall displacement
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