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A kite is hovering over the ground at the end of a straight 44-m line. The tension in the line has a magnitude of 15 N. Wind blowing on the kite exerts a force of 17 N, directed 51° above the horizontal. Note that the line attached to the kite is not oriented at an angle of 51° above the horizontal. Find the height of the kite, relative to the person holding the line.
Converging lens with plane mirror box somewhere at the left on central axis of converging lens. What is distance between box and lens
While taking photographs in Death Valley on a day when the temperature is 58.0°C, What current does he register there if the temperature is -88.0°C
Evangelista Torricelli was the first to put forward the idea that we live at the bottom of an ocean of air. (i) Given the value of the atmospheric pressure at the surface of the Earth.
A 0.70 kg ball is moving horizontally with a speed of 9.7 m/s when it strikes a vertical wall. What is the magnitude of the change in linear momentum of the ball
Calculate the period of a ball tied to a string of length 0.3 m making 6.9 revolutions every second. Answer in units of s, Calculate the speed of the ball
The two blocks are on frictionless inclines and are in static equilibrium. The block on the left has a mass of 49 Kg, and the block on the right has a mass of n3 Kg. If the left incline has the length of n1 meters, and the right incline the length of..
A laser with wavelength 650 nm is incident on a single slit with width 10 mm. How far apart will the first dark bands on either side of the central maximum be
What is volume concentration
Consider the motion of a muon as it moves through the Earth's atmosphere. After a time ? = 2.20 e-6 s, it decays into other particles. What is the speed of the muon
A narrow tube open at one end has varibale length. When a vibrating tuning fork is held near one end, What is a possible frequency of the tuning fork
The venturi flowmeter shown in the figure is used to measure the flow rate of water in a solar collector system. The flowmeter is inserted in a pipe with diameter 1.9 {rm cm}; at the venturi of flowmeter the diameter is reduced to 0.64 {rm cm}. Th..
An astronaut is being tested in a centrifuge. The centrifuge has a radius of 9.6 m and, in starting, rotates according to ? = 0.34t^2, find the magnitudes of the astronaut's angular velocity
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