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A wheel rotates about a fixed axis with an initial angular velocity of 25 rad/s. During a 4.0-s interval the angular velocity decreases to 10 rad/s. Assume that the angular acceleration is constant during the 4.0-s interval. How many radians does the wheel turn through during the 4.0-s interval?
What is the target's speed just after the bullet emerges.What is the velocity v of the smaller fish before lunch.
A uniform electric field of magnitude 395 N/C pointing in the positive x-direction acts on an electron, What is the work done by the field on the electron
A 8.50-kg block of ice, released from rest at the top of a 1.41--long frictionless ramp, slides downhill, reaching a speed of 2.71 at the bottom. What is the angle between the ramp and the horizontal
A woman at an airport is towing her 23.5-kg suitcase at constant speed by pulling on a strap at an angle ? above the horizontal. What is the magnitude of the normal force that the ground exerts on the suitcase
Two capacitors C1 and C2 are connected in parallel to one another, Find the equivalent capacitance of the system if the C1, C2, C3 are respectively 4, 6, 3.6 uF respectively
An optical disk drive in your computer can spin a disk at up to 10,000 rpm. If a particular disk is spun at 8690 rpm while it is being read, what is the magnitude of the linear acceleration of a point 1/11 of the way out from the center of the disk
Refrigerant 22 is used as the working fluid in an ideal vapor-compression refrigeration cycle. Saturated vapor enters the compresssor at -40°C at a flow rate of 1 kg/s. What is the power input to the compressor
A screen is placed 52.4 cm to the right of the converging lens. A diverging lens is placed between the converging lens and the screen. What is the focal length f2 of the diverging lens
A satellite with 2 rectangular solar cells wings with A=60m2, when the wings normally face the sun with an intensity I=1200 W/m2, how much force on the satellite due to the sunlight
A woman is riding a Jet Ski at a speed of 25 m/s and notices a seawall straight ahead. what is the minimum distance from the seawall
You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. What is the height of the arrow above the ground once it has travelled the 43.0 m horizontally
A dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 18 rpm, in 13.0 s. What force is required at the edge
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