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A 2.00g bullet strikes a 2.00kg block hanging from a long cord. The bullet imbeds itself in the block causing the block to swing upwards to a height of 75cm above its original position. A. What type of collision best describes the bullet striking the block? B. Do a walk-through of the energy of the system starting just before the bullet strikes the block. C. Find the velocity of the bullet before it collides with the block.
An electron with an initial speed of 5.50×10^5m/s is brought to rest by an electric field. What was the potential difference that stopped the electron
q. a small block with a mass of 0.170 kg is attached to a cord passing through the hole in a frictionless horizontal
A ball is thrown horizontally from a height of 19.8 m and hits the ground with a speed that is three times its initial speed
According to highly accurate GPS-measurements , the continent of North America is drifting with a speed of 1cm/year. estimate the kinetic energy the continental US has
How close to the edge of the 28.0 kg table, that is 2.2m with legs 1.2m apart, can a 62.0 kg person sit without tipping it over.
A 4.5kg dog stands on an 18 kg flatboat at distance D = 6.10m from the shore. It walks 2.4 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find how far the dog is then from the shore.
A weather balloon rises by the atmosphere, its volume expanding from 4.4m^3 to 10m^3 as temperature drops from 17 Degrees C to -13Degrees C.
Europa, one of the moons of Jupiter, was discovered by Galileo in 1610. Europa has a circular orbit of radius 6.708 108 km and period 3.551 days. Find the mass of Jupiter
q1. collapsible plastic bags are used in hospitals for infusions. we want to use such a bag to infuse an electrolyte
A fox locates its prey under the snow by slight sounds rodents make. how long the fox is in the air
A 2.20 H coil with a resistance of 2.18×10^2 ohms is in series with a 1.29×10^3 ohms resistor. What is the peak value of the potential difference across the coil
A 31 μF capacitor is connected across a programmed power supply. find the power output from the power supply
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