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Use the unit factor method to solve the following problems. Set up each problem in the exact same way (using all six steps). Show all your work.
1) Apples sell for 43 cents a pound. How much do 3.2 pounds of apples cost?
2) Gold costs $500 per ounce. A solid gold nugget is 23.5 ounces. How much is it worth?
3) How many feet are there in 58 yards?
4) How many days are there in two and a half years?
5) How many nickels are in 126 dollars?
6) The new hybrid cars get 65 miles per gallon. How many miles can you drive on 5 gallons of gas?
7) Dr. Gomez orders 0.08 grams of medication for a patient. Each pill contains 0.003 grams of the medicine. How many pills will the patient need?”
A magnetic field is oriented at an angle of 41degrees to the normal of a rectangular area 4.5cm by 6.3cm. If the magnetic flux through this surface has a magnitude of 4.9×10^?5T*m^2 , what is the strength of the magnetic field?
Suppose the mica is 1.5 thick (and therefore fills the space between the plates).The charges on the plates are equal and opposite and of magnitude 380.
A 1055-kg van, stopped at a traffic light, is hit directly in the rear by a 790-kg car traveling with a velocity of +2.40 m/s. What is the final velocity of each vehicle
A spherical ball of charge has radius R and total charge Q. The electric field strength inside the ball(r?R) is E(r)=Emax(r4/R4). Find an expression for the volume charge density ?(r) inside the ball as a function of r
Calculate Escape Velocity for Mars (mass = 6.42 x 1023 kg, radius = 3397km). Is it easier to launch a rocket from Mars than the Earth
The force of attraction between a -20.0 ?C and +80.0 ?C charge is 4.00 N, What is the separation between these two charges
in a single-slit diffraction experiment, a beam of monochromatic light of wavelength 630 nm is incident on a slit of width 0.4 mm. what is the width of the central bright fringe
A generator has a square coil consisting of 356 turns. The coil rotates at 91.5 rad/s in a 0.211-T magnetic field. What is the length of one side of the coil
A 200kg block is at rest on a horizontal table. The coefficient of kinetic and static friction among the table and the block is 0.60 and 0.40 respectively. An 1800N force is then applied on the block.
when an aluminum object is fully submersed in a pool of oil with density 700 kgm3 and place on a scale at the bottom of
A record (mass 100g and radius 12cm) is rotating at a rate of 33rpm. What is the new rotational rate if angular momentum is conserved
A wheel rotates with a constant angular acceleration of3.15 rad/s2. Find the angle through which the wheel rotates betweent = 2.00 s and t = 3.50s
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