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One type of BB gun uses a spring-driven plunger to fire the pellet from its barrel
(a) Calculate the force constant, in newtons per meter, of the plunger's spring if you must compress it 0.1 m to drive the 0.075kg pellet to a top speed of 18 m/s.
(b) What force must be exerted to compress the spring, in newtons?
A prehistoic bug (m=0.02kg) has escaped into the moder world. how fast (and in what direction) is the ubg traveling after the collision
Calculate the work done on 0.205 mol of methane when it is compressed from 10.0 L to 2.25 L at 25 degree's Celsius, assuming that methane is (a) an ideal gas and (b) a van der Waals gas.
Two soccer players start from rest, 30 m apart. They run directly toward each other, both players accelerating. How much time passes before the players collide
Given: A penny moving at speed "v" slides off the horizontal surface of a coffee table a vertical distance "y" from the floor. Show that the penny lands a distance v√2y/g from the base of the coffee table.
Ultraviolet light of wavelength 218 nm shines on a zinc surface. If the workfunction of zinc is 4.3 ev, what is the maximum kinetic energya photo electron can have
Three charges are fixed to an x, y coordinate system. A charge of +20 µC is on the y axis at y = +3.0 m, Determine the magnitude and direction of the net electrostatic force on the charge at x= +3.0 m
A fisherman notices that his boat is moving up and down periodically, If the total vertical distance traveled by the boat were 0.450 m, but the other data remained the same, how fast are the waves traveling
A research group plans to construct an engine that extracts energyfrom the ocean, what is the maximum efficiency such anengine could have
At what altitude above the earth's surface would the acceleration due to gravity be 4.9m/s2? Assume the radius of the earth is 6.4 x 10 raise to power 6 m and the acceleration due to gravity on the surface of the earth is 9.8m/s2
Calaculate the position and size of image
a two-stage missile is fired vertically from rest with acceleration as shown in the graph. in 15 sec the first stage a
A polar bear of mass 436 kg stands on an ice floe 58.10 cm thick. What is the minimum area of floe that will just support the bear in saltwater of density of 1030 kg/m3? The specific gravity of ice is 0.88.
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