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The tires of a car make 51 revolutions as the car reduces its speed uniformly from 95km/h to 38km/h. The tires have a diameter of 0.83m
a) What was the angular acceleration of the tires? (in rad/s^2)
b) If the car continues to decelerate at this rate, how much more time is required for it to stop?
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. How long is the arm of the centrifuge
Yoy are presented with a coaxial cable of length L. The inner core has a uniform charge distrubution throughout its radius, Find the Electrostatic Potential in all radial regions
What is an average speed for the new trip
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, Find the velocity (magnitude and direction) of the ball just before the collision
A flagpole of length 9 m and mass 35 kg is hinged at one end, where it is connected to a wall as sketched below. The pole is held up by a cable attached to the end. Find out the tension in the cable. (Assume the flagpole has an uniform mass distr..
A steady current 1.5 amps flows in a wire out of the page. A small +4 uc point charge is 5 can away from wire, What is the magnetic force acting in the charge
Two friends, Al and Jo, have a combined mass of 164kg. At the ice skating rink, they stand close together on skates, at rest and facing each other.
A 58-kg water skier is being pulled by a nylon tow rope that is attached to a boat. What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
A thin film of oil (n = 1.24) is located on a smooth, wet pavement. When viewed perpendicular to the pavement, How thick is the oil film
An electric field is set up between two parallel plates, each of area 2.2 m2, by putting 1.0 C charge on one plate and the -1.0 C charge on the other. The plates are separated by 4.0 mm. What is the magnitude of the electric field between the plates ..
A molecule of DNA (deoxyribonucleic acid) is 2.22 µm long. The ends of the molecule become singly ionized, Determine the effective spring constant of the molecule
You need to prepare a 0.187mm-diameter tungsten wire with a resistance of 3.43 ohm. How long must the wire be
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