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A cup of coffee is sitttinf ona table in an airplane that isflaying at a constant velocity and altidude. The coefficientof the static friction between the cup and the table is.30. The plane suddenly accelerate - altitude reamins constant. What is the maximum acceleration that the plane can have without the cup sliding backward on the table?
A 1200-turn coil of wire that is 2.0cm in diameter is in a magnetic field that drops from 0.14T to 0 T in 11ms. What is the emf of the coil
Suppose that you are traveling on board a spacecraft that is moving with respect to the earth at a speed of 0.954c. what is your breathing rate
On a workday the average decibel level of a busy street is 85 dB, with 100 cars passing a given point every minute. what is the decibel level of the street
A rod of 2.0-m length and a square (2.0 mm × 2.0 mm) cross section is made of a material with a resistivity of 6.0 × 10-8 ? ? m. at what rate is heat generated in the rod
Ice has formed on a shallow pond, and a steady state has been reached, with the air above the ice at -3.5°C and the bottom of the pond at 4.0°C. how thick is the ice
A majorette in a parade is performing some acrobatic twirlings of her baton. Assume that the baton is a uniform rod of mass 0.120kg and length 80.0m With a skillful move, the majorette changes the rotation of her baton so that now it is spinning abou..
a loaded cart has a total mass of 227kg.if a 312n force acting at an angle of 30degree to the ground is applied. how much work is done in moving the cart 15meters?
A blue car with mass mc = 442 kg is moving east with a speed of vc = 22 m/s and collides with a purple truck with mass mt = 1213 kg that is moving south with a speed of vt = 12 m/s. find the magnitude of the initial momentum of the car
A 3-kg box attached to a horizontal spring (k = 1,200 N/m) undergoes simple harmonic motion. How far was the inital displacement from the spring's natural length
A uniform solid marble rolls down a symmetric bowl, starting from rest at the top of the left side of the bowl. How far will the marble go up the right side
A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A2 = 0.0600 m2. Find the volume flow rate Q of the gas
A 1.00 -diameter vat of liquid is 2.90 m deep. The pressure at the bottom of the vat is 1.50atm. What is the mass of the liquid in the vat
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