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Calculate the acceleration of a 1400-kg car that stops from 39 km/h "on a dime" (on a distance of 1.7 cm). Determine the acceleration of the car. How many g's is the magnitude of the acceleration of the car?
An impulse of150 Ns is required to stop a person's head in a carcollision. If the face is in contact with the steering wheelfor 0:0304 s, what is the force on the cheekbone
a 1.0-cm-diameter pipe widens to 2.0cm then narrows to 0.5cm. liquid flows through the first segment at a speed of
A heavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. When the wind blows hard, the wire hums at its fundamental frequency of 80Hz. What is the mass of the sculpture?
A beam of light is incident in air with an incident angle 56 degrees. calculate the index of refraction of this unknown liquid
A 56.7-µF capacitor is connected to a generator operating at a low frequency. The rms voltage of the generator is 3.88 V and is constant. at what frequency will the fuse burn out
A 1.6 kilogram cylinder (radius = 0.10 meter and length = 0.50 meter) is released from rest at the top of a ramp and allowed to roll without slipping. Calculate what is its translational kinetic energy
a gas cylinder containing 3.88 mol of helium has a pressure of 549 mm hg at 298 k.if 1.22 mol of neon is added to this
Each second, a nuclear power plant generates 2000 MJ of thermal energy from nuclear reactions in the reactor's core. What is the maximum possible thermal efficiency of the power plant
A physics book slides off a horizontal table top with a speedof 1.15 m/s. It strikes the floor in0.500 s. Find the height of the table top above the floor in meters
a 4.8-microc point charge is located at x 1.2 m y 3.2 m and a -3.9-microc point charge is located at x 2.3 m y -2.1
A box slides down a 36° ramp with an acceleration of 1.26 m/s2. find the coefficient of kinetic friction between the box and the ramp.
Assume, they are now crossing a snow covered field (μk = 0.030, width of the field is 75 meter) at a constant speed of 12 m/s. Calculate how much energy will be dissipated by friction
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