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A curve of radius 68m is banked for a designed speed of 110km/h. If the coefficient of the static friction is 0.34 (wet pavement), at what range of speeds can a car safely handle the curve? (Maximum and minimum speed)
a slender rod with a length of 0.300m rotates with an angular speed of 8.80 rads about an axis through one end and
A 3.00-kHz tone is being produced by a speaker with a diameter of 0.160 m. find the change in the diffraction angle
An 7.40-cm-diameter, 300g solid sphere is released from rest at the top of a 1.90-m-long, 20.0? incline. It rolls, without slipping, to the bottom. What fraction of its kinetic energy is rotational
A solar cell generates a potential difference of 0.0984 V when a 500 ? resistor is connected across it, What is the internal resistance of the solar cell
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 26.2 dB. The hearing aid picks up sound having a frequency of 250 Hz at an intensity of 2.40 10-11 W/m2. What is the intensity delivered ..
You've been walking at a steady, and rope pulls up on the sled at a 21 angle. You estimate that the mass of the sled, with your friend on it, is 64 and that you're pulling with a force of 84.0.
A small steel ball bearing with a mass of 20.0 gram is on a short compressed spring. Find the horizontal distance the ball would travel
A ball leaves a table with an initial horizontal velocity of 2.4 m/s. The height of the table is adjustable. What is the horizontal distance between the two landing locations of the ball
Analog voltmeter A has an equivalent resistance of 2.40 x 105 ? and a full-scale voltage of 50.0 V. What is its full-scale voltage
A 9150 kg railroad car travels alone on a level frictionless track with a constatnt speed of 15.0m/s. What will be the car's new speed
A man leaps from the top of a 60 meter tall building. If his initial speed is 24 m/s and at an angle of 23 degrees above the horizontal, then with what speed does he hit the ground as he lands
An emf is induced in a conductin loop of wire 1.03 m long as its shape is changed from square to circular. Find the average magnitude of the induced emf if change in shape occurs in 4.15s and the local 0.131-T magnetic field is vertical to the pla..
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