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The fundamental frequency of an organ pipe corresponds to 262 HZ. The third resonance of a closed pipe has the same frequency. What are the lengths of the two pipes
When a block slides down an inclined plane with a constant velocity
Any change of the energy of a system occurs because of
Nonideal Gas Equation : The SRK equation is a commonly used equation of state that relates the absolute temperature T, the absolute pressure P, and the molar volume V of a gas under conditions in which the behavior of the gas connot be considered ..
A 195-g block is pressed against a spring of force constant 1.15 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal. Using energy considerations, determine how far up th..
An all-terrain vehicle of 2000 kg mass moves up a 15 degree slope at a constant velocity of 6 m/s. The rate of change of gravitational potential energy with time is
A violin string 12.2 cm long and fixed at both ends oscillates in its n = 4 mode. The speed of waves on the string is 285 m/s, and the speed of sound in air is 348 m/s. What are (a) the frequency and (b) the wavelength of the emitted sound wave?
The crates of weight 1490N will move with speed 2.2m/s at the top of a ramp that slopes downward at an angle 21.0^\circ. The ramp will exert a 533N force of kinetic friction on each crate, and the maximum force of static friction also has this val..
A mass m = 17.0 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4047.0 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is ?k = 0.42. The mass leaves th..
Determine the rebound angle ? if the coefficient of restitution for the impact of the ball with the floor is 0.4.
The velocity in a certain flow field is given by the equation V=(3x^2+1)i - 6xyj. Determine the expressions for the two rectangular components of acceleration.
A research Van de Graaff generator has a 3.80 m diameter metal sphere with a charge of 1.06 mC on it. What is the electric potential on the surface of the sphere
A water-skier, moving at a speed of 9.15 m/s, is being pulled by a tow rope that makes an angle of 37.0° regarding the velocity of the boat (see the Illustrating). The tow rope is parallel to the water. The skier is moving in the similar direction..
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 5.0 s, it rotates 45 rad. What is the instantaneous angular velocity of the disk at the end of the 5.0 s
Because of salt content, the density of the water in the Dead Sea (Middle East) is greater than ocean water. Air pressure (at sea level) is 1.013 x 105 Pa. Calculate the density of the water in the Dead Sea in kg/m3. g = 9.8 m/s2
Find the coefficient of kinetic friction between a 4.2 kg block and the horizontal surface on which it rests if an 92 N/m spring must be stretched by 1.8 cm to pull the block with constant speed
Suppose that when a certain sound intensity level (in dB) triples, the sound intensity (in W/m2) quadruples. Determine this sound intensity level
A Coast Guard cutter detects an unidentified ship at a distance of 23.0 km in the direction 15.0° east of north. Find the time required for the cutter to intercept the ship
A person pulls a toboggan for a distance of 41.6 m along the snow with a rope directed 33.8 ° above the snow. How much work is done on the toboggan by the tension force
A spaceship of mass 2.2×106kg is cruising at a speed of 5.4×106m/s when the antimatter reactor fails, blowing the ship into three pieces. What is the speed of the third piece
A string of 22 identical Christmas tree lights are connected in series to a 125 V source. The string dissipates 52 W. What is the comparable resistance of the light string.
A small town stores its drinking water in a tower. What should be the tower's height
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet
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