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Q. A sound wave traveling at 340 m/s is emitted by the foghorn of a tugboat. An echo is heard 2.60 s later. How far away is the reflecting object? Answer in units of m.
Q. A car traveling at a speed of vo = 52 m/s stops smoothly (that is, its deceleration is constant) over a distance of d = 159 m. What is its acceleration during the time it is stopping?
NASA sends a satellite to another planet by placing the satellite in a Keplerian orbit (around the sun) such that the perihelion is at the radius of the Earth's orbit (1 AU) and the aphelion is at the radius of the planet's orbit. Most of the trip is..
While a force of 6.0 N is applied, pulling the spring to the right, the elongation of the spring is 0.030m from its equilibrium position. What is the force constant of the spring
How many revolutions does wheel make throughout the time
What inductance must be connected to a 25 pF capacitor in the oscillator capable of generating 480 nm (i.e., visible) electromagnetic waves.
Two parallel rods are each 0.50 m in length. They are attached at their centers to either end of the spring (spring constant = 150 N/m) that is initially neither stretched nor compressed.
The position of an air-track cart that is oscillating on a spring is given by the equation x = 12.4 cos[(6.35 s-1)t] . At what value of t after t= 0.00s in the cart first located at x = 8.47 cm ?
wheel A of radius rA = 11 cm is coupled by belt B to wheel C of radius rC = 20 cm. The angular speed of wheel A is increased from rest at a constant rate of 1.6 rad/s2. Find out the time needed for wheel C to reach an angular speed of 100 rev/min,..
Create a formula to get the time constant of the liquid level system shown in the below figure. When the avg. operating level is h0. The resistance R is linear.
Determine the Intelligence frequency, carrier frequency, Modulation index, Carrier power, total power in FM signal and power in each sideband.
How many wavelengths are there in one pulse
When blue light of wavelength 465 nm illuminates a diffraction grating, it produces a 1st order utmost but no 2nd order maximum.
A tank of water sits at the edge of a table of height 2m. The tank springs a very small leak at its base, and water sprays out a distance of 1.4 m from the edge of the table. What is the water level h in the tank? (Assume the tank is open to the a..
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