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Explain in terms of Newton's law each of the following situations.
What happens when we shake down a mercury thermometer used for measuring body temperature?
What makes an unsealed air-filled balloon fly around when it's released?
How does a bumblebee hover in midair?
you need to store 25J of energy in the magnetic field of a solenoid. The solenoid hass 100 circular turns of diameter 5.0cm, What is the energy density inside the solenoid
A small telescope has a concave mirror with a 4.00-m radius of curvature for its objective. Its eyepiece is a 4.25-cm focal length lens. What is the angle of its telescopic image?
Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.2 mm, What is the resistance ratio RA/RB , measured between their ends
In a non-uniform gas, the equation of state is valid locally, as long as the density does not change too rapidly with position. Find the density as a function of height
Suppose 145 moles of a monatomic ideal gas undergo an isothermal expansion from 1.00m^3 to 4,00 m^3, How much work is done by the gas during this expansion
question1a long solenoid with 70 turns of wire per centimeter carries a current of 0.16. the wire that makes up
A 45.7-cm diameter disk rotates with a constant angular acceleration of 3.0 rad/s2. Find the linear velocity and tangential acceleration of P at t = 2.30 s
The speed of an arrow fired from a compound bow is about 75 m/s. An archer sits astride his horse and launches an arrow into the air, what is the arrows range
On windy days it sways with a frequency of 0.21 , and the acceleration of the top of the building can reach 2.4 of the free-fall acceleration, enough to cause discomfort for occupants.
A 2-2-2 kinematic coupling uses 19-mm silicon nitride balls and tungsten carbide vees. Determine the Hertz contact stresses for a 50 N coupling load. Is this kinematic coupling overloaded? Where are the locations of maximum compressive, shear and ten..
Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 40.0s to speed up from rest to its top speed of 1 rotation every 1.50s, What is the astronaut's tangential acceleration during the first 40.0s
A string passing over a pulley has a 3.70 kg mass hanging from one end and a 2.60 kg mass hanging from the other end. What is the average frictional torque acting on the pulley
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