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Assume a ball of mass m = 75.5 kilogram is dropped from rest at height H = 1.29 meter above the ground.
Assume the ball hits the ground, and rebounds, coming to rest at height h = 0.45 meter. Find how much work was done on ball by friction?
Comet Halley moves about the Sun in an elliptical orbit with its closest approach to the Sun being about d1=0.59 AU, What is its speed when it is furthest away from the sun
A series RLC circuit is driven by a generator at a frequency of 2280 Hz and an emf amplitude of 189 V. The inductance is 61.1 mH, the capacitance is 0.426 ?F, and the resistance is 219 ?. (a) What is the phase constant in radians? (b) What is the cur..
A 98.0 kg hockey player skating at 2.12 m/s 32° S of W is body checked by an 87.0 kg opponent who is skating at 1.40 m/s 42° N of E. What is the velocity of the pair immediately after the collision
A parallel-platecapacitor of dimensions 2.15 cm × 5.69 cm is separated by a1.65 mm thickness of paper. Find the capacitance of this device.The dielectric constant for paper is 3.7.
You have carefully prepared the wave function of an electron to be in the first energy eigenstate of an infinite potential well spanning a length a. Now you decide to release the electron from the prison by turning off the infinite potential barri..
The position of a particle moving along the x axis is given in centimeters by x = 9.75 + 3.50t 3, where t is in seconds. Calculate the average velocity
q1. if a thunder clap comes 1.4 s after the lightning strike how far away is the strike? calculating the wavelength and
A crate resting on a rough horizontal floor is to be moved horizontally. The coefficient of static friction is 0.40. find in what direction should the force be applied
Some asteroid named "Briggie" has been discovered revolving around the Sun on a circular orbit with a period of 3.90 years. What is the radius of Briggie's orbit
You wind up and throw a 10 kg medicine ball horizontally with a speed of 1.3 m/s directly at your 24-kg little brother. find the common speed of the ball-brother composite
this simulation can be downloaded from granthams website under ph220.simulations its file name is ball on roller cstr
water is flowing through a channel that is 12 m wide with a speed of .75ms. the water then flows into four identical
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