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A 10 N force acts on 5 kg object for 2.0s. What is the impulse of the force on the object? What is the change in momentum of the object? If initially the object is at rest, what is its velocity after 2s. Use the fact that change in momentum is equal to the impulse of the force.
An equipotential surface that surrounds a point charge q has a potential of 585 V and an area of 1.27 m2. Determine q
how high above the target must the rifle barrel be pointed.
A baseball player hits a ball towards the outfield with an initial velocity of 76.0 m/s at an angle of 45 relative to the ground. The outfield is 118 m away and is 4.0 m tall.
A particle with a charge of -60.0 nC is placed at the center of a nonconducting spherical shell of inner radius 20.0 cm and outer radius 24.0 cm, Calculate the speed of the proton
A distributed uniformly over a cross section perpendicular to the axis of the wire. Illustrate what is the magnitude of the magnetic field at a distance of 1.2 mm from the axis of the wire?
What is the velocity of the gold pack after the collision. what least average speed must it have in the second half of the event in order to qualify.
When a guitar string is sounded along with a 441-Hz tuning fork, a beat frequency of 4.00 Hz is heard. When the same string is sounded along with a 437-Hz tuning fork, beat frequency is 8.00 Hz. What is the frequency of the string.
What is least amount of work required by an external force
A gardener feels it is taking him excessively long to water a garden with a 0.952cm diameter hose. By what factor will his time be shortened, if he uses a 1.58 cm diameter hose.
find out where the coyote lands in the canyon.
assume a planet had a density that varied with radius according to the equation, ρ =A/r, where A is some constant. Determine a formula that gives the central pressure for this kind of planet.
A package in an airplane moving horizontally at 275 m/s is dropped while the altitude is 766 meters. How far forward from the spot over which it was dropped does the package land.
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