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An aluminum wing on a passenger jet is 32 m long when its temperature is 26°C. At what temperature would the wing be 8 cm (0.08 m) shorter?
A drop of unknown liquid is placed at the point on a glass surface where internal reflection is occurring at ? = 48°. What is the refractive index of the liquid
At the surface of a certain planet, the gravitationalacceleration g has a magnitude of 11.3 m/s2. What is the mass of the brass ball on the Earth
A guitar string produces 4 beats per second when sounded with a 350-Hz tuning fork and 9 beats per second when sounded with a 355-Hz tuning fork. What is the vibrational frequency of the string
A student holds two lead weights, each of mass 14 kg. When the students' arms are extended horizontally, the lead weights are 1 m from the axis of rotation, Calculate the final angular speed of the system
A cart for hauling ore out of a gold mine has a mass of 445 kg, including its load. Find the work that the force of gravity performs on the cart
5.00 g of ice at -10.0 celsius are added to 20.0 mL of hot coffee at 60.0 celsius, What is the final temperature of the coffee
A lightbulb has a resistance of 170 ? when operating with a potential difference of 110 V across it. What is the current in the lightbulb
A conducting rod of mass m is sliding on frictionless conducting rails in a region that has a static, uniform magnetic field directed into the page as shown. The rails slope downward from the end with the resistor so that the rod of mass m slides dow..
1. consider the human eye to be composed of a thin lens of uniform index of refraction n 1.43 with fluid of n 1
question the springs of a 1600 kg car compress 4.0 mm when its 62 kg driver gets into the drivers seat. if the car goes
When you step on the accelerator to increase the speed of your car, the force that accelerates the car is the force of your foot on the accelerator. the force of friction of the road on the tires
The old LP vinyl records commonly rotated at 33.33 revolutions per minute. Find the period of revolution for the record
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