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A car accelerates uniformly from rest and reaches a speed of 22.1 m/s in 8.97 s.
(a) If the diameter of a tire is 57.5 cm, find the number of revolutions the tire makes during this motion, assuming that no slipping occurs.rev
(b) What is the final angular speed of a tire in revolutions per second?rev/s
A thin film of oil (n = 1.10) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film?
The fire department decides to use the burning books to heat water
A girl throws a rock horizontally with a speed of 12.0 m/s from a bridge. It falls 2.28 seconds before reaching the water below. How high is the bridge from the water? How far horizontally does the rock travel before striking the water.
A 45.50 cm diameter disk rotates with a steady angular acceleration of 2.00 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.30° with the positive x-axis at..
A 100 arrow is shot perpendicularly from a bow whose effective spring constant is 500. If the bow is drawn 75 before shooting the arrow, to what height does arrow rise.
With each cycle, a 2550-W engine extracts 2180 J from a thermal reservoir at 87.7°C and expels 1570 J into a thermal reservoir at 21.7°C. What is the work done for each cycle
A duck has a mass of 2.1 kg. As the duck paddles, a force of 0.09 N acts on it in a direction due east, Find the magnitude and direction (relative to due east) of the displacement that the duck undergoes in 2.6 s while the forces are acting
A parallel plate capacitor has a capacitance C when there is no dieletric inside of it. Suppose a wedge of material with dielectric constant K is inserted in between the plates of the capacitor, find the new capacitance with this dielectric inserte..
q.1 three point charges two positive and one negative each having a magnitude of 20 uc are placed at the vertices of an
A 25 g glass tumbler contains 450 mL of water at 24°C. what is the final temperature of the drink
A projectile is shot from the edge of a vertical cliff 60.0 m above the ocean. How far from the foot of the vertical cliff does the projectile hit the water
You illuminate a slit of width 0.0643 mm with light of wavelength 711 nm, What is the width, in centimeters, of the pattern\'s central maximum
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