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A professor drives off with his car (mass 900 kg), but forgot to take his coffee mug (mass 0.33 kg) off the roof. The coefficient of static friction between the mug and the roof is 0.9, and the coefficient of kinetic friction is 0.4. What is the maximum acceleration of the car, so the mug does not slide off?
An arrow is launched vertically upward from a crossbow at 97.9 m/s. What is its average speed up to that moment
A 1128 kg car and a 2210 kg pickup truck approach a curve on the expressway that has a radius of 272 m. A) At what angle should the highway engineer bank this curve so that vehicles traveling at 72.9 can safely round it regardless of the condition..
As the fragment falls through the atmosphere, it is heated and some of the material is vaporized. Explain how you could determine the composition of this hot vaporized material from the light it emits.
A rotating cylinder about 18km in length and 6km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that residents on it will experience the same acceleration because of gravity on Earth.
After being accelerated to a speed of 1.76×105m/s , the particle enters a uniform magnetic field of strength 0.800T and travels in a circle of radius 35.0cm, Find the ratio m/q for this particle
When an atom emits a photon in a transition from a state of energy E1 to a state of energy E2, Evaluate this recoil energy for the n = 2 to n = 1 transition of hydrogen.
A playground merry-go-round has radius 2.50mand moment of inertia 2800kg?m2 about a vertical axle through its center, What is the average power supplied by the child
Two tugboats pull a disabled super tanker. Each tug exerts constant force of 1.20 multiplied by 106 N, one 19° west of north and the other 19.0° east of north, as they pull the tanker 0.69 km toward the west. What is the total work they do on supe..
The mast of a sailboat is supported at the bow and stern by stainless steel wires, the forestay and backstay, Find the tension in the backstay and the force that the mast exerts on the deck
If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.90 T field (perpendicular to the wire), what force is exerted on this segment of wire
A system expands by 0.68m3 at a constant pressure of 126kPa, Find the heat that flows into or out of the system if its internal energy decreases by 1850J
What resistive force (assumed to be constant) does the wood exert on bullet? How long does it take the bullet to come to rest.
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