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A student throws a ball vertically upward such that is travels 7.1 meter to its maximum height. If the ball is caught at the initial height 2.4 second after being thrown,
(a) Estimate what is the ball average speed and
(b) Estimate what is its average velocity?
a sinusoidal wave traveling on a string is moving in the positive x-direction. the wave has a wavelength of 4m a
A uniform cable of weight whangs vertically downward, supported by an upward force ofmagnitude wat its top end. What is the tension in the cable at its bottom end
When monochromatic light is being used with a certain diffraction grating, it is found that the first-order maximum occurs at 8°. What is the highest order of maximum that can be observed
Find the center of mass of a water molecule, referring to the figure below, with d = 0.096 nm and θ =104.5°. The mass of an oxygen atom is 16 u, and The mass of a hydrogen atom is 1 u, where u is the atomic mass unit. Use the center of the oxygen ato..
question a charged particle a exerts a force of 2.28 ?n to the right on charged particle b when the particles are 12.1
Two loudspeakers face each other, vibrate in phase and produce identical 416 Hz tones. A listener walks from one speaker toward the other at the constant speed and hears the loudness change.
You have to do 2.2 kJ of work to push a 78-kg trunk 3.1 m along a slope inclined upward at 22 degrees , What is the coefficient of friction between trunk and slope
A coiled telephone cord forms a spiral with 56 turns, a diameter of 1.30 cm, and an unstretched length of 60.0 cm. Determine the self-inductance of one conductor in the unstretched cord.
wo stunt drivers drive directly toward each other. At time t=0 the two cars are a distance D apart, car 1 is at rest, At what time do the two cars collide
A professional skier reaches a speed of 56m/s on a 30 degrees ski slope. Ignoring friction, what is the minimum distance along the slope the skier would have had to travel, starting from rest?
An electron passes through a point 3.27 cm from a long straight wire as it moves at 37.3% of the speed of light, Find the magnitude of the electron\'s acceleration at that point
suppose that a 1.00 cm3nbspbox in the shape of a cube is perfectly evacuated except for a single particle of
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