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An automobile's wheels are locked as it slides to a stop from 38.6 m/s. IF the coefficient of kinetic friction is .206 and the road is horizontal, how long does it take the car to stop?
b) And, how far does it travel while stopping?
Laser light of wavelength 635 nm is incident upon two narrow slits separated by .14 mm. On a screen 4.1 m beyond the slits, how far apart are the interference fringes
An electric dipole is formed from ± 2.0 nC point charges spaced 1.0mm apart. What is the electric field strength at point (x, y) = (15 cm, 0 cm)
A railroad car of mass 25,000 kg is moving with a speed of 5.50 m/s. It collides and couples with three other coupled railroad cars, each of the same mass as the single car and initially at rest.
q1. a trapeze artist swings in simple harmonic motion with a period of 7.0 s. the acceleration of gravity is 9.81 ms2.
If ? = 360o and d = 0.900m, what launch angle θ0 is required for the drop to be at the top of the parabolic path when it reaches the insect?
An apparatus similar to the one used in the oscillation part of this experiment is used. What is the speed of the wave? What is the uncertainty in the speed of the wave found above?
Consider a universe where the matter density is 0, and it has a significant cosmological constant lambda. Determine how old is the universe in this case
The froghopper, Philaenus spumarius, holds the world record for insect jumps. What horizontal distance did the froghopper cover for this world-record leap
A bar magnet with its north pole pointing toward a coil of wire with a cross-sectional area of 0.020 m2, find the magnitude of the induced emf in the coil of wire
An alpha particle with a kinetic energy of 13.0MeV makes a head-on collision with a gold nucleus at rest. What is the distance of closest approach of the two particles? (Suppose that the gold nucleus remains stationary and that it might be treated as..
a block of mass 0.244 kg is placed on top of a light vertical spring of force constant 4 925 nm and pushed downward so
a woman throws a ball at a vertical wall d 6.8 m away. the ball is h 3.4 m above ground when it leaves the womans
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