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How far does the ball travel in the x-direction before it strikes the ground?
Describe the orbit of a "geostationary" satellite. How is a geostationary satellite useful?
What naturally occurring radioisotope is used as the fuel for a nuclear reactor?
I explained that the hot lamp had sent waves of energy to the vanes penetrating through the vacuum in the bulb where the vanes were housed.
What is/are the independent variable(s)? What is/are the dependent variable(s)?
Determine the net force that acts on the molecule (calculate the magnitude and describe the direction).
What is the energy of photons (joules) emitted by an 107.5-MHz FM radio station?
How would the intensity of light vary with distance from the source according to the (a) wave theory, (b) particle (photon) theory?
Can you discuss the validity of the conservation of energy in terms of potential (gravitational or elastic) and kinetic energy by giving real-life applications?
How does the coefficient of static friction compare with the coefficient of kinetic friction for the same surfaces and areas?
An electric heater carries a current of 11.0 A when operating at a voltage of 3.30*102 V. What is the resistance of the heater?
What is the coefficient of kinetic friction µk for the incline?
What is the magnitude of the electrostatic force on q3 due to charges q1 and q2?
An athlete doing push-ups performs 650 kJ of work and loses 425 kJ of heat. What is the change in the internal energy of the athlete?
Calculate the gravitational potential energy of a 95 kg rock at the top of a 45 m cliff. The acceleration due to gravity is 9.8 m/s2.
What is the charge on the pith ball and the tension in the string? Assume the thread makes an angle of ? = 30° with respect the vertical?
Discuss stress and strain of materials in terms of Hooke's law.
When it is far from the others, what is its kinetic energy? [What are the initial and final potential energies?]
Find the present worth of all the costs if i = 10%. Assume all costs incurred to be at the end of the respective year.
What is the approximate radius of (6C12)? What is the approximate radius of a (26Fe56) nucleus?
Estimate the bubble point pressure and Rsi and determine whether the reservoir is saturated or undersaturated.
A beam of light is reflected off a plane mirror at an angle of 50° relative to the surface. What is the angle of incidence of this light beam?
Discuss the features of dead-sea in terms of buoyancy, density, and general fluid mechanics knowledge.
If it undergoes beta - decay, what are the number of protons and neutrons, respectively, in the daughter nucleus?
Normal room temperature is 68oF. What is the temperature in Kelvin degrees?