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a. An 840 kg car needs to round a level curve with a radius of 23m.The driver wants to proceed at 56 kph. How much total friction force is needed between the tires and the pavement to keep the car on the road.Use RISERS,in other words, sketch and equate.
b. How much work does the friction force do on the car?
Unpolarized light is incident upon two polarization filters that do not have their transmission axes aligned. what is the angle between the transmission axes of the filters
A horizontal, 10 - m plank weighs 100N. It rests on two supports that are placed 1.0m from each end. What is the torque of the weight of the plank
A 1.5 kg copper block is given an initial speed of 3 m/s on a rough horizontal surface. Because of friction, the block finally comes to test. If the block absorbs 85% of its kinetic energy, calculate its increase in temperature.
The brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car's acceleration is 5.45 m/s2. If the car's initial speed is 33 m/s, how long does it takes to stop and how far does it travel, starting ..
An ac generator with a frequency of 1.54kHz and an rms voltage of 22.2V is connected in series with a 1.90k, What is the power factor for this circuit
A crate is sliding down a ramp that is inclined at the angle of 33° above the horizontal. The coefficient of kinetic friction between the crate and the ramp surface is 0.479. Find the acceleration of the moving crate.
An old wooden tool is found to contain only 18% of 146C that a sample of fresh wood would. How old is the tool
500 mL of a liquid with a coefficient of volume expansion of 267x10-6/oC fills to the brim a container that has a coefficient of volume expansion of 99x10-6/oC. how much of the liquid will overflow the container
Assume that we suddenly discovered that all these years we would be wrong about the distance from Earth to the Sun, and it is actually 10 percent greater than we would think. How would that affect our approximation of the distance to the Andromeda..
A 2.0-C charge moves with a velocity of (2.0i + 4.0j + 6.0k) m/s and experiences a magnetic force of (4.0i - 20j + 12k) N. The x component of the magnetic field is equal to zero. Find out the y component of the magnetic field.
Discover minimum thickness of glass
A 67.3 kg sled starts at rest on a horizontal road. The coefficient of kinetic friction between the sled and the road is μk = 0.202. A man pulls the sled a distance 5.07 m along the ground by exerting a constant force of magnitude 532 N on a rope tha..
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