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A 2.05 cm tall object is placed 30.0 cm to the left of a converginglens with a focal length f1 = 21.0 cm. How tall is thefinal image of the object
A bar of length 1.5 meters moves to the left at 4.6 m/s along a set of conducting rails. The rails and bar have a net resistance of 10 Ohms. Determine the induced electromotive force
You have a cylindrical cup of water that springs a leak 5 cm below the surface of the water. What is the velocity of the water coming out of the hole
Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.46m from the grating. What is the difference betw
Solid rock suspended in air by spring scale has m=2.50 kg, When rock submerged in water, mass = 1.90 kg, determine Density of rock,
an object of mass 1.00kg travels at 5.0m/s and enters a region of ice where the coefficient of friction is 0.10. determine the distance traveled before coming to a hault
In 0.675 s, a 6.80-kg block is pulled through a distance of 4.10 m on a frictionless horizontal surface, starting from rest. By how much does the spring stretch
A police car is moving at 37.1 m/s (83.0 mi/h) behind a speeding car that is going faster. How fast is the speeder going
Calculate the peak voltage of a generator that rotates its 205 turn, 0.100 m diameter coil at 3600 rpm in a 0.850 T field
A standing observer perceives a train whistle to have a frequency of 300 Hz. what is the frequency of the sound waves emitted from the train
Imagine a spherical planet of radius R and an average density of 5.0*10^3 kg/m3; this is approximately the average density of the Earth. What is the radius of the planet
A current of 32.9 mA flows in a silver wire of diameter 4.01 mm, Find the electric field strength inside the wire
A torque of 12 N * m is applied to a solid, uniform disk of radius 0.50 m. I f the disk accelerates at 5.6 rad/s^2, what is the mass of the disk
a student standing on a train staiton observes that the pitch (frequency) of the train decreases from 888.8 Hz to 862.8 Hz, What is the speed of the train
Nichrome is a nickel chromium allot commonly used in heating elements. suppose you have a coil of nichrome wire that is 25.0 m long, what is the resistance of the Nichrome wire
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 68.80 diopters, If the writing on the blackboard is 5.70 cm high, what is the size of the imag
Alpha Centauri, a star close to our solar system, is about 4.3 light years away. Suppose a spaceship traveled this distance at a constant speed of .90c relative to Earth. What is the trip distance a
two charges are places on the x axis, +5.0x10^-6C at the origin and -10.0x10^-6C at x=10cm. At what point(s) on the x axis is the electric field zero
Gold, which has a mass of 19.32 g for each cubic centimeter of volume, is the most ductile metal, what is the area of the leaf in square meters
A pendulum oscillating on the moon has the same period as a(n) 3.14 m pendulum oscillating on Earth. find the length of the pendulum on the moon
A person who weighs 653 N is riding a 100-N mountain bike. Suppose the entire weight of the rider and bike is supported equally by the two tires
An electric motor can lift a weight of 2000N through a height of 10 m in 20 sec. What is power of motor
Derive an equation for specific gravity in terms of the ry sample weight and the apparently lighter submerged weight, Calulate the specific gravity of each sample
When specially prepared Hydrogen atoms with their electrons in the 6f state are placed into a strong uniform magnetic field, If we don't neglect the intrinsic spin of the electrons, then how many ener
A force of 25.33 N is applied tangentially to a wheel of radius 0.340 m and gives rise to an angular acceleration of 1.20 rad/s^2