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two capacitors, when connected in series have an equivalent capacitance of 200 microfarads. calculate the capacitance of each capcitor
An advertisement shows a 1239 kg car slowly pulling at constant speed a large passenger airplane to demonstrate the power of its newly-designed 79.7-hp (horsepower) engine, How much work is performe
A baton twirler is twirling her baton in a horizontal circle at a rate of 3.35 revolutions per second. Calculate the induced EMF between the center and one end of the baton
A block of mass m = 364 g is dragged with a string across a rough horizontal table. The string tension is T = 2.79 N, What is the power supplied by the force of friction
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. What stopping potential would be observed when using light from a red lamp
The radius of our Sun is 6.96*10^8 m, and its total power output is 3.85*10^26 W. find lambda-max for the Sun
A particle contains the quark combination: u b, What is the charge of the particle and What is the baryon number of the particle
For a hydrogen atom, an electron is in the second excited state, What wavelength of light will ionize the electon
A wheel with a radius of 0.25 m rolls without slipping on a level road at a constant speed of 1.1 m/s for 2.0 min
A train has a speed of v = 66.5 km/h. If the acceleration experienced by the passengers is to be less than 0.35 g, find the smallest radius of curvature R acceptable for the track
A 1382-kg car is moving westward with a speed of 21.1 m/s, Find the velocity of the center of mass of the car-truck system
In a Compton collision, if the wavelength of the photon is 1.00 pm and its deflected angle is 60.0°
A very light rigid rod of length 0.600 m extends straight out from one end of a metre long rod of mass M. Determine the period of oscillation of the system
A heat engine extracts 50.0kJ of heat from the hot reservoir each cycle and exhausts 35.0kJ of heat. What is the thermal efficiency
A lens for a 35-mm camera has a focal length given by f = 40mm. What is the magnification of the image on the film
A typical wall outlet voltage is 120 volts in the United States. calculate the number of turns on the secondary coil of the adapter transformer
A garden hose has an internal diameter of 1.5 cm. It's connected to a sprinkler that consists merely of an enclosure with 14 holes, At what speed does it leave the sprinkler
What is the efficiency of a pump that uses 3.5kW of electrical power in raising 200 litters of water through a height of 12m in 10 seconds
A spring of stiffness 25 kN m-1 is compressed by an initial load of 5 kN, gradually applied, What is the total work done on the spring
A bomb is designed to explode 2.00 s after it is armed. The bomb is launched from earth and accelerated to an unknown final speed. What is the final speed of the bomb just before it explodes
Calculate the specific heat of a metal from the following data. A container made of the metal has a mass of 3.3 kg and contains 15 kg of water. A 1.0 kg piece of the metal initially at a temperature
At 12°C, a brass cube has an edge length of 25 cm. What is the increase in the cube's surface area when it is heated from 12°C to 97°C
An L?R?C series circuit has phase angle -33.0?. What is the voltage amplitude across the resistor
A rocket is accelerating upward at 4.90m/s2 from the launchpad on the earth. If the ball is displaced 8.50 ? from the vertical and released, find the amplitude of the resulting swings of this pendulum
An unhappy rodent of mass 0.310kg , moving on the end of a spring with force constant 2.50N/m, If the constant b has the value 0.901kg/s, what is the frequency of oscillation of the mouse