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A beam of light in the air makes an angle of 47.5 degrees with the surface (not the normal) of a glass plate having a refractive index of 1.66. (a) what is the angle between the reflected part of the beam and the surface of the glass? (b) what is the angle between the refracted beam and the surface (not the normal) of the glass?
A pipe is open at both ends. The pipe has resonant frequencies of 528 Hz and 660Hz (among others). Find two possible values for the length of the pipe
Two parallel plates have a capacitance of 1.0 µF when they are 1.0 mm apart. The plates are then fully charged by a 9.0 V battery, What is the constant electric field strength between the plates
A shopper pushes a cart 39 m south down one aisle and then turns 90.0° west and moves 27 m. He then makes another 90.0° turn and moves 14 m.
A spherical bowling ball with mass m = 3.2 kg and radius R = 0.107 m is thrown down the lane with an initial speed of v = 8.7 m/s. What is the magnitude of the final velocity
Eight lights are connected in parallel to a 116 V source by two leads of total resistance 1.1. If 240 mA flows through each bulb, what is the resistance of each? What fraction of the total power is wasted in leads.
An engine inlet decelerates the flow from M = 0.82 to M = 0.34 at the 3.5-ft diameter compressor face. What diameter should the inlet be
Objects A and B are both positively charged. Both have a mass of 400g , but A has twice the charge of B. When A and B are placed 25cm apart, B experiences an electric force of 0.54N . What is the charge on A? If the objects are released, what is t..
In astronomy it is common to expose a photographic plate to a particular portion of the night sky for quite some time in order to gather plenty of light. For how long should Matt expose a second plate located 4.1 m from the source
You have a 6kg cart that has a spring attached to the front. You hold the cart so the spring is compressed against the wall. What is the total work done by the spring on the cart
The linear density of a rod of length 4 m is given by p(x) = 9 + 2sqrt(x) measured in kilograms per meter, where x is measured in meters from one end of the rod. Find the total mass of the rod.
A car travels a distance of 50km/hr. it then travels an additional distance of 60km in 1 hour. what is the average speed of the car for the entire trip
One generator uses a magnetic field of 0.190 T and has a coil area per turn of 0.0425 m2. What magnetic field should be used in the second generator
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