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A 5 kg block has an initial speed of 10m/s down a frictionless include plane. Once the block reaches the bottom of the incline it encounters a frictionless flat plane with a vertical wall at the opposite end. Attached to the wall is a spring with a spring constant of 650 N/m. Determine the amount by which the spring compress when it impacts and comes to rest.
A gun shoots bullets that leave the muzzle with a speed of 205m/s. If a bullet is to hit a target 151m away at the level of the muzzle, the gun must be aimed at a point above target.
What shape would you expect the sampling distribution of x bar for n=84 juveniles to have? Does your answer depend on shape of the distribution of verbal IQ scores for all juveniles.
An insect 1.3mm tall is placed 1.0mm beyond the focal point of the objective lens of a compound microscope. Where is the image formed by the objective lens
what is the magnetic force per meter exerted by one bolt. After the first spring compresses a distance of 28.5 cm, the second spring acts with the first to increase the force as additional compression occurs as shown in the graph. The car comes to ..
A spring loaded gun is used to launch a ping pong ball (mass 4g) at an angle of 50 degrees with the horizontal. how far does the ping pong travel if it is launched from the ground
High-speed stroboscopic photographs show that the head of a 190-g golf club is traveling at 58 m/s just before it strikes a 46-g golf ball at rest on a tee, Find the speed of the golf ball just after impact
A hollow, spherical shell with mass 2.40 kg rolls without slipping down a slope angled at 39.0 degrees. Find the friction force
A small positively charged sphere of mass 4.68 g and charge +72 micro C is suspended horizontally in static equilibrium, find the magnitude of the tension in the horizontal string
An ideal gas is compressed from a volume of 400 cm^3 to a volume of 150 cm^3 slowly and isothermally in a piston-cylinder system. determine the heat transfer
An 8.71-kg block slides with an initial speed of 1.62 m/s down a ramp inclined at an angle of 27.0° with the horizontal. find the distance the block slides before coming to rest
A small fly of mass 0.21g is caught in a spider's web. What is the value of the effective spring stiffness constant k for the web
In a mass spectrometer the charged particles have to reach a common specific speed. To do so, they are accelerated with an electric field, determine the direction of the magnetic force
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