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1. How far, in terms of wavelength, does a wave travel in 1.5 periods?
2. A ball is tossed upward so that it will be airborne for six seconds.
a) Find the initial velocity.
b) How high will it go? ( Hint: A the highest point the final velocity is 0)
c) Find it's velocity when it hits the ground.
a piston with mass m 2.0 kg in a car engine is in vertical simple harmonic motion with amplitude a 5.0 cm. if the
In a certain electron beam, there are 4.5 x 106 electrons per cubic centimetre. The kinetic energy of the electrons is 12.0 keV, Find the beam current
A particular freely falling object requires 1.95 s to travel the last 33.5 m before it hits the ground. From what height above the ground did it fall.
a rod extending between x0 and x14.0 cm has uniform cross-sectional area a9.00 cm2. its density increases between its
Is the mass of the body that was moving faster before the collision greater then, less than, or equal to that of the other body?
A 501g mass oscillates with an amplitude of 11.0cm on a spring whose spring constant is 23.0N/m, determine the period and max speed
A 150-lb fireman is holding a hose which has a nozzle diameter of 1 inch and hose diameter of 2 inches. If the velocity of the water at discharge is 60 ft/s - determine the resultant normal and frictional force acting on the man's feet at the grou..
Two wires are anchored at both ends. Wire 1 has a mass of 147 gram and a length of 9.2 meter. Determine what must be the tension in Wire 1 if its third harmonic is to equal the first overtone of Wire 2
Galaxy A is moving away from us with a speed of 0.75c relative to the earth. Galaxy B is moving away from us in the opposite direction with a relative speed of 0.55c. Assume that the earth and the galaxies are moving at constant velocities, so they a..
A uniform electric field of 1.5 × 104 N/C is oriented in the positive x direction. A uniform magnetic field of 5 T is oriented in the negative x direction. What is the net force on the proton
A mass attached to a spring vibrates 15 times in 23.13 seconds. What is the linear frequency (in Hertz) of the mass
A sugar solution with n=1.42 contains an air bubble of radius 1.00cm. Where is the image of a sugar crystal 3.00 cm from the bubbles surface when viewed through the center of the bubble? Does the bubble behave like a converging or diverging lens?
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