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Explain the following concepts and principles:
(a) Energy, kinetic energy, and potential energy. Explain the relationship between kinetic and potential energy;
(b) The conservation of mechanical energy, and the connection between energy and work;
(c) Momentum and conservation of momentum;
(d) Elastic collision; and
(e) Inelastic collision.
A pump, submerged at the bottom of a well that is 34 m deep, is used to pump water uphill to the house that is 50 m above the top of the well, as shown above. All pressures are gauge pressures. Avoid the effects of friction, turbulence, and viscosity..
a 2.00g bullet strikes a 2.00kg block hanging from a long cord. the bullet imbeds itself in the block causing the block
The terminal voltage of a certain battery is measured with the battery disconnected and is found to be 6.18 V. The internal resistance of the battery is1.06 Ω. Find the voltage across thebattery terminals when there is a current of 1.92 A from the ne..
a car decelerates uniformly and comes to a stop after 10 s. the cars average velocity during deceleration was 50 kmh.
A sphere of radius r starts from rest and rolls without slipping along a curved surface, dropping through a vertical distance of 0.583 m. Find the final speedv of the sphere's center of mass.
you need a capacitance of 40 microf but you dont happen to have a 40 microf capacitor. you do have a 56 microf
The projection lens in a certain slide projector is a single thin lens. A slide 24.6 mm high is to be projected so that its image fills a screen 1.78 m high. Determine the focal length of the projection lens
A pair of slits, separated by 0.160 mm, is illuminated by light having a wavelength of ? = 566 nm. An interference pattern is observed on a screen 150 cm from the slits. Consider a point on the screen located at y = 1.90 cm from the central maxim..
A spacecraft approaching the earth launches an exploration vehicle. After the launch, What is the speed of the exploration vehicle
typical household currents are on the order of a few amperes.a. if a 1.64 a current flows through the leads of an
You have a compound microscope with a barrel of length 163 mm. Find the total angular magnification of the microscope for a person whose near point is 25.0 cm away
a rotating fan completes 1200 revolutions every minute. consider a point on the tip of a blade at a radius of 0.19 m.a
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