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Two waves of the equal frequency have amplitudes 2.13 and 1.36. They interfere at a point where their phase difference is 58.5 degree. Determine what is the resultant amplitude?
Illustrate what is the magnitude of the apparent weight of a 78kg astronaut 5200km from the center of the Earth's moon in a space vehicle moving at constant velocity?
You use a spring (K=89N/m) to pull a 45kg box across the rough floor (μ=0.13). The spring stretches 3m. What is the horizontal acceleration of the box
What is the average of the velocity squared in pure oxygen (O2) at standard pressure (1 bar) and concentration 0.001 mol/L? Give answer in (m/sec)^2
Find the final velocities of (a) the 2.70-kg ball and of (b) the 7.10-kg ball if the collision is elastic. (c) Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic.
What is the approximate distance between the Earth and the Moon if the radius of the Earth is approximately 6x10^6m
Until he was in his seventies, Henri LaMothe excited audiences by belly-flopping from a height of 11 m into 70 cm of water. find the magnitude of the impulse on him from the water
Vector A has a magnitude of 9.10 units and makes an angle of 54.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods find the following.
what is the needed magnitude of the minimum acceleration.
A solenoid 1.63 m long and 2.23 cm in diameter carries a current of 24.9 A. The magnetic field inside the solenoid is 30.7 mT. Find the length of the wire forming the solenoid
A jet with mass m = 50000.0 kg jet accelerates down the runway for takeoff at 1.7 m/s2. What is the net horizontal force on the airplane as it levels off
A diffraction grating of 3400 slits per centimetre is utilized to analyze the spectrum of mercury. Discover the angular separation in the first-order spectrum of the two lines of wavelength 579 nm and 577nm.
During a stage production of Peter Pan, the 53.5 kg actress playing Peter has to fly in vertically (descend). Calculate the tension in the wire supporting the actor
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