Physics Waves And Oscillations Level: Misc Level
A uniform string of length 10.0 m and weight 0.35 N is attached to the ceiling.A weight of 1.00 kN hangs from its lower end. The lower end of the string is suddenly displaced horizontally. How long does it take the resulting wave pulse to travel to the upper end? [ Hint: Is the weight of the string negligible in comparison with that of the hanging mass?] ms
Physics Waves And Oscillations Level: Misc Level
A uniform string of length 10.0 m and weight 0.35 N is attached to the ceiling.A weight of 1.00 kN hangs from its lower end. The lower end of the string is suddenly displaced horizontally. How long does it take the resulting wave pulse to travel to the upper end? [ Hint: Is the weight of the string negligible in comparison with that of the hanging mass?] ms
Physics Waves And Oscillations Level: Misc Level
A uniform string of length 10.0 m and weight 0.35 N is attached to the ceiling.A weight of 1.00 kN hangs from its lower end. The lower end of the string is suddenly displaced horizontally. How long does it take the resulting wave pulse to travel to the upper end? [ Hint: Is the weight of the string negligible in comparison with that of the hanging mass?] ms
Physics Waves And Oscillations Level: Misc Level
The amplitude of oscillation of a pendulum decays by a factor of 22.0 in 120 s, By what factor has its energy decayed in that time?
( initial energy /final energy)
Physics Waves And Oscillations Level: Misc Level
A 0.60 kg mass is suspended from a string,forming a pendulum. The period of this pendulum is 2.2 s when the amplitude is 2.1 cm.The mass of the pendulum is now reduced to 0.22 kg.What is the period of oscillation now, when the amplitude is 1.1 cm?s
Physics Waves And Oscillations Level: Misc Level
A body is suspended vertically from an ideal spring of spring constant 2.9 N/Mm. The spring is initially in its relaxed position. The body is then released and oscillates about its equilibrium position. The motion is described by the following equation. y=(4.0 cm) sin [( 0.67 rad/s)]
What is the maximum kinetic energy of body? mJ
Physics Waves And Oscillations Level: Misc Level
Equipment to be used in airplanes or spacecraft is often subjected to a shake test to be sure it can withstand the vibrations that may be encountered during flight. A radio receiver of mass 5.22 kg is set on a platform that vibrates in SHM at 101 Hz and with a maximum acceleration of 92 m/s2.
(a) Find the radio s maximum displacement.m
(b) Find the radio s maximum speed. m/s
(c) Find the maximum net force exerted on it. N
Physics Waves And Oscillations Level: Misc Level
The prong of a tuning fork moves back and forth when it is set into vibration. The distance the prong moves between its extreme positions is 2.27 mm. If the frequency of the tuning fork is 441.0 Hz, what are the maximum velocity and the maximum acceleration of the prong? Assume SHM.
m/s
m/s2
Physics Force & Laws Of Motion Level: Misc Level
A large sponge has forces of magnitude 14 N applied in opposite directions to two opposite faces 42 cm2. The thickness of the sponge (L) is 2.0 cm. The deformation angle (y) is 8.4%.
(a) What is x?
(b) What is the shear modulus of the sponge? Pa
Physics Properties Of Matter Level: Misc Level
An anchor, made of cast iron of bulk modulus 60.0 x 10 9 Pa and of volume 0.219 m3, is lowered over the side of the ship to the bottom of the harbor where the pressure is greater than sea level pressure by 1.73 x106 Pa. Find the change in the volume of the anchor. cm3
Physics Force & Laws Of Motion Level: Misc Level
A U-238 nucleus ( mass =238 units) decays,transforming into an alpha particle ( mass =4 units) and a residual thorium nucleus ( mass =234 untis) .If the uranium nucleus was at rest, and the alpha particle has a speed of 1.3 E7 m/s. Determine the recoil speed of the thorium nucleus.
Physics Kinematics Level: Misc Level
A catapult fires a 700 kg rock with an initial velocity of 100 m/s at a 50 degree angle to the ground. what is the magnitude of the horizontal impulse the catapult receives from the rock?
Physics Force & Laws Of Motion Level: Misc Level
A 0.26 kg stone you throw rises 36.3 m in the air. what is the magnitude of the impulse the stone received from your hand while being thrown? Aldo , what is the impulse the stone receives from your hand while being thrown?
Mathematics Coordinate Geometry Level: Misc Level
Draw the graphs, in the coordinate plane, of the conditions stated: { (x,y) : y2 >=2y}
Mathematics Coordinate Geometry Level: Misc Level
Draw the graphs, in the coordinate plane, of the conditions stated: { (x,y ): y2-3y < 0 }
(y2 is y to the power of 2)
