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A 4 {rm g} bug stands at the top of the sphere. He then walks along the surface of the sphere until he reaches its "equator."
draw a FBD of the collar and choose the best coordinate axis. b) find the speed of the collar just before it hits the stopper at the end of the bar and c)find the time it takes the collar to travel
When the log is 10 m from the bridge floating toward it a, person drops a stone from the edge of the bridge the stone hits the water 2m in front of the log how high is the bridge?
Light incident on a pair of slits produces an interference pattern on a screen 2.4 m from the slits. If the slit separation is 0.017 cm and the distance between the bright fringes in the pattern is
3kg baseball travelling at 45 m/s approaches a waiting batter. when the ball is hit, its back, sailing away at 70 m/s. determine the magnitudes of its initial and final momenta?
The new equilibrium such that the new equilibrium position is 60 relative to the vertical. If the new small-oscillation frequency is 6 radians per second, find the rod length L.
At t = 0, a particle leaves the origin with a velocity of 6m/s in the positive x direction and moves in the xy plane with a constant acceleration of (-2 i - 4 j) m/s 2. H ow far is the particle fro
A diverging lens (f = -13 cm) is located 23.0 cm to the left of a converging lens (f = 33.8 cm). Determine the distance of the final image relative to the converging lens.
Gravitational potential energy of a mass m a height h above but close to the surface of the earth is said to be given by the expression ΔPE=mgh. Show that for heights much smaller than the ra
An artillery shell is fired with a minimal velocity of 390 m/s at 52o above the horizontal. To clear an avalanche, it explodes on a mountain side 43 s after firing. What is the y-coordinate?
A dockworker applies a constant horizontal force of 80.0({rm N}) to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance
How long (in years) will it take for 99.9778% of the 38Sr90 released in a nuclear reactor accident to disappear?
A hare and a tortoise compete in a race over a straight course 2.25 km long. How far is the tortoise from the finish line when the hare resumes the race?
A monochromatic light is incident on the surface of a metal with work function W = 2.2 eV. If a stopping potential V = - 2 V is required to make the photocurrent zero, what is the wavelength of light
When the balloon is 3.09 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
Car racers lower their cars closer to the ground as a matter of style. James wants to lower his car by replacing all four of his original coil springs with new ones offered as an option by the car m
How many electrons would have to be placed on the sphere to produce an electric field of magnitude 1.61 105 N/C at a point 7.82 cm from the center of the sphere?
A person who walks for exercise produces the position-time graph shown. Calculate the average velocity, including sign, for (a) segment A, (b) segment B, (c) segment C, and (d) segment D
A football is thrown horizontally with an initial velocity of (16.4 m/s). Find the velocity vector of the ball 1.89 s after it is thrown.
The average density of the material in intergalactic space is approximately 2.5 × 10^-27 kg/m^3. What is the volume of a lead sample, = 11 300 kg/m^3, that has the same mass as 8.0 × 10
The mean distance from the center of the earth to the center of the moon is rem = 3.84 × 108 m. The mass of the earth is me = 5.98 × 1024 kg and the mass of the moon is mm = 7.34 ×
Exactly 3.0s after a projecttile is fired into the air from a flat grround. Dertermine The horizontal angle of projectile.
A damped LC circuit loses 4.0 percent of its electromagnetic energy per cycle to thermal energy. If L = 50 mH and C = 1.00 µF, what is the value of R?
How are the trade winds and westerlies linked to the semi-permanent subtropical anticyclones?
A 17750 kg airplane lands with a speed of 84 m/s on a stationary aircraft carrier deck that is 115 m long. Find the work done by nonconservative forces in stopping the plane.