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What is the phase difference in degrees between the two signals with a frequency of 200Hz and an observed time difference between peaks that is 625 μs?
A hurricane at latitude 30° N consists of a velocity within 25 km of the eye of 50m s-1, and a velocity around the outer edge (radius 400 km) of 10 m s-1. By computing the pressure gradient and
A tennis ball leaves a racket throughout the execution of a perfectly horizontal ground stroke with a speed of 22m/s. When the ball is in the air for 0.7s, then what horizontal distance does it trav
Where p is estimated in dollars and x is measured in units of the hundred. Determine equilibrium quanitty and price.
Determine the radius of the equipotential surface that consists of a potential equivalent to 495 V? Is this surface nearer to the wire or to the cylinder?
An orienteer runs north at 5m/s for 120s and then west at 4m/s for 180s. Give a graphic solution to illustrate the orienteer’s resulting displacement.
The 1985 Mexico City eqrthquake had the magnitude of 8.1 on Richter scale. 1976 earthquake in Tangshan, China, was 1.26 times as intense. Determine magnitude of Tangshan eqrthquake?
A cord of mass of 0.65 kg is stretched among the two supports 28 m apart. When the tension in the cord is 150 N, determine how long will it take a pulse to travel from one support to another?
A series combination of a resistor of 12 k and an unknown capacitor is joined to a 11 V battery. One second after the circuit is completed; the voltage across the capacitor is 9 V. Find out the capa
The wooden artifact from the ancient tomb contains 30 percent of carbon-14 which is present in living trees. How long ago was artifact made? Half-life of carbon-14 is 5730 years.
The runner completes 6 1/2 laps around a 400m track all through 12 min. (720s) run test. Compute the given quantities: i) The displacement of runners at the end of 12 min.
The mass to use in the expression is the effective mass μ=mAmB /(mA+mB),where mA and mB are the masses of the individual atoms for the vibration frequency of a diatomic molecule.
For dead battery V = 5v and R = .8 ohms. The starter = .06 ohms. Find the current in the starter. Find out the current in the dead battery.
The uniform rod rotates in a horizontal plane around a vertical axis through one end. The rod is 6 meter long, and having weight 10 N, and rotates at 240 rev/min. Find its rotational inertia and the
Count in the bateria culture was 200 after 20 minutes and 1100 after 35 minutes. Suppose count grows exponentially. Determine the initial size of culture?
Determine the velocity of the block or bullet right after impact? Find out the percentage of energy which is lost?
About the axis and with the torque exerted for 33 ms, determine the magnitude of the angular momentum and angular velocity of the disk?
Explain what percent yield of nitric oxide did the chemist acquire if a chemist used 252 g of NH3 and obtained 125 g of NO (actual yield) 4 NH3 (g) + 5 O2 (g) => 4 NO (g) + 6 H2O (g)
A car begins from rest and moves around a circular track of radius of 30 cm. Its speed rises at the constant rate of .5 m/s^2. Find out the magnitude of the total linear acceleration 15 s later and
Top point was directly above the point on ground 4.06m from same base point. How much did point on ground move toward base point?
Find out the location of an object for which the magnitude of the image distance is one-third the magnitude of object distance.
Analyze the pH needed to decrease the iron concentration in water supply to 0.03 mg/l if Iron is in Fe^3+ form and Iron is in Fe^2+ form
The ice cube slides from rest with no friction down a long inclined ramp which makes an angle of 29.2 o with the horizontal. Determine the speed of the cube after it slides 1.37 m down the plane.
The spring stretches 3.9 cm if a 10-g object is hung from it. The object is substituted with a block of mass 25 g which oscillates in simple harmonic motion. Determine the period of motion?
If girl had been on bike and rolling along at the speed of 1.4 m/s when her friend passed, what steady acceleration would she require to catch up with her friend in same amount of time?