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In reaching her destination, a backpacker walks with an average velocity of 1 m/s, due west. This average velocity results, because she hikes for 6 km with an average velocity of 3 m/s due west, turns around, and hikes with an average velocity of 0.3 m/s due east.
How far east did she walk (in kilometers)?
It makes a head on elastic collision at B with a block of mass m2 = 12.0 kg that is initially at rest. Compute the maximum height to which m1 rises after the collision. height = 5m
What is the velocity of observer B relative to observer A . A diver shines a light up to surface of a flat glass-bottomed boat at an angle of 36 relative to the normal.
A flask is filled with 1.50 L (L = liter) of a liquid at 98.0 °C. What is the coefficient of volume expansion of the liquid
A playground merry-go-round has a radius of 4.50m and a moment of inertia of 240kg?m2 and turns with negligible friction about a vertical axle through its center. What is the average power supplied by the child
If light is shown from a sheet of glass toward water and just skims the boundary between the glass, at what angle was the light aimed toward the water
A 220g ball is thrown horizontally at 19.2m/s, As it falls under the influence of gravity, find its final momentum (magnitude) after 1.00s.
A bicycle wheel of radius 0.70m is rolling without slipping on a horizontal surface with an angular speed of 4Pi rad/s, What is the tangential deceleration of the bicycle
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +10q. Sphere B carries a charge of -7q. Sphere C carries no net charge.
An electric dipole consists of 1.50g spheres charged to \pm 2.30nC at the ends of a 6.00cm long massless rod. What is the dipole's angular velocity at the instant it is aligned with the electric field
An airplane takes off at sea level and climbs to a height of 480 m. Estimate the net outward force on a passenger's eardrum assuming the density of air is approximately constant
An ac series circuit has an impedance of 178 ? , and the phase angle between the current and the voltage of the generator is ? = -74°, find the capacitive reactance XC or the inductive reactance XL, whichever is appropriate
A battleship is using sonar (reflected underwater sound signals) to detect the presence of nearby submarines. How far away from the battleship is the submarine
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