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Physical principles, variables, equations

Example problems include:

• What is the area of a circle with circumference = 10 meters?
• What is the volume of a cone with radius 2 m and height 3 m
• What is the time of a fall with height = 125 m?
• How does the pressure of an ideal gas vary if temperature is doubled and volume is 8 times its previous value
• How does the force of gravitation change as radius is doubled?
• How does the force of gravitation vary with radius
• What is the gravity of a fall with time 1 sec and height 3 m
• What is the area of a circle with radius "r"
• What is the radius of a cone with volume "v" and height 7
• What is the charge of a capacitor with capacitance = 5 uf and voltage = 100 volts
• What is the wavelength of light with energy = 1 ev
• What is the power of a lift with mass = "m" and height = "h" and time = "t" and gravity = "g"
• What is the work of a lift with weight 20 nt and height 3 m
• What is the power of a lift with weight 700 nt and height 8 m and time 10 sec
• What is the angular momentum of a circular motion with radius 4 m and mass 2 kg and velocity 3 m/s
• How does the electric field of a capacitor vary if the voltage is doubled and the distance is 0.2 times its previous value
• What is the cost of a resistor with voltage 120 volts and current 4 amps and time 2 hours and unit cost 10 cents per kwh
• What is the image distance of a concave mirror with radius = 1.0 m and subject distance = infinity m
• What is the magnification of a converging lens with subject distance = 6 cm and focal length = 9 cm
• What is the velocity of a charged particle moving in a magnetic field with a field of 0.1 tesla and a radius of 0.1 m and a charge of 1.6e-19 coulomb and a mass of 1.67275e-27 kg
• How does the radius of a charged particle moving in a magnetic field vary if mass is quadrupled and charge is doubled
• How does the de broglie wavelength of an elementary particle vary with mass if kinetic energy is constant
• How does the frequency of light vary if energy is halved
• What is the capacitance of series capacitors with c1 = 6 uf and c2 = 3 uf
• What is the terminal voltage of a battery with a current of 0.3 amp and internal resistance of 4 ohms and voltage of 12 volts
• what is the speed of a wave with frequency 5 hz and wavelength 2 m
• What is the wavelength of light with energy = 6 ev
• How does the emf of a wire moving in a magnetic field vary as velocity is doubled
• What is the efficiency of a heat engine with heat = 100 joules and heat exhausted = 60 joules
• How does the potential of a charged sphere vary if radius is doubled
• What is the final velocity of a collide-and-stick with m1 = "ma" and m2 = "MB" and v1 = "v" and v2 = 0
• What is the angular momentum of a circular motion with radius 4 m and mass 2 kg and velocity 3 m/s
• What is the flux of a magnetic field with field = 2 tesla and area = 40 square-centimeter
• How does the wavelength of light vary if index of refraction is doubled
• What is the half-life of a radioactive decay with initial rate = 4000 and final rate = 500 and time = 30 min
• What is the slit separation of a diffraction with radius = 5 m and distance from central maximum = 3 m and wavelength = 0.12 m
• How does the pressure of an ideal gas vary if temperature is doubled and volume is constant
• How does the satellite velocity of a gravitation vary with radius
• What is the proportion floating of a float with weight 6 nt and volume 2e-3 m3
• What is the maximum efficiency of a heat engine with heat source temperature = 400 kelvin and heat reservoir temperature = 300 kelvin
• What is the equilibrium temperature of a heat transfer with m1 = 50 g and c1 = 900 joules per kg per degK and t1 = 423 kelvin and m2 = 200 g and c2 = 4700 joules per kg per degK and t2 = 293 kelvin
• What is the doppler frequency of a sound with frequency = 1000 hz and source speed = 10 meters per second and observer speed = 0 m/s
• What is the power of a sound with radius = 20 m and decibel = 40
• What is the energy of a nuclear reaction with initial mass = 9.028 amu and final mass = 9.012 amu
• What is the height of a projectile with initial velocity = "v" and angle = "theta" and gravity = "g"
• What is the frequency of the homozygous dominant genotype in a population with a frequency of the homozygous recessive genotype of 0.2