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ship a is located 42 km north and 26 km east of ship b ship a has a velocity of 22 kmh toward the south and ship b has
a hollow sphere has a mass of 15kg an inner radius of 12cm and an outer radius of 18cm what is the rotational inertia
a 020-kg object attached to the end of a string swings in a vertical circle whose radius is 80 cm when it reaches the
a stunt pilot weighing 070 kn performs a vertical circular dive of radius 080 km at the bottom of the dive the pilot
a 30-kg child rides on a circus ferris wheel that takes her around a vertical circular path with a radius of 20 m every
a 600-kg car is going around a banked curve with a radius of 110 m at a speed of 245 ms what is the appropriate banking
a car moving at 100 ms encounters a bump that has a circular cross-section with a radius of 300 m what is the normal
a 1000-kg car is moving at 300 ms around a horizontal curve whose radius is 100 m what is the magnitude of the
traveling at a speed of 189 ms the driver of an automobile suddenly locks the wheels by slamming on the brakes the
a 775-kg person stands on a scale in an elevator what is the apparent weight when the elevator isa accelerating upward
several people are riding in a hot-air balloon the combined mass of the people and balloon is 348 kg the balloon is
the gravitational force that the sun exerts on the moon is perpendicular to the force that the earth exerts on the moon
two forces and act on the 700-kg block shown in the drawing the magnitudes of the forces are f1555 n and f2335 n take
the speed of a bobsled is increasing because it has an acceleration of 299 ms2 at a given instant in time the forces
a wagon is rolling forward on level ground friction is negligible the person sitting in the wagon is holding a rock the
a cart of mass 18kg rolls without friction on a track at point a the cart is moving at 60msa find the speed of the cart
a light spring with a force constant of 12 is connected to a wall and to a 19 toy bulldozer as shown in the
an athlete executing a long jump leaves the ground at a 20deg angle and travels 630 m the takeoff speed is 98 ms if
calculate the point between uranus and the sun at which an object can be placed so that the net gravitational force
a bullet of mass m 00230 kg is fired along an incline and imbeds itself quickly into a block of wood of mass m 130 kg
a sample containing beryllium atomic mass 9 u aluminum 27 u and an unknown element is placed in a mass spectrometer the
at a certain point on earths surface in the southern hemisphere the magnetic field has a magnitude of 51 10-5 t and
the positively charged plate of a parallel-plate capacitor has a charge equal to q when the space between the plates is
two protons at rest and separated by 300 mm are released simultaneously what is the speed of either at the instant when
a proton starts out moving horizontally from a positive plate to a negative plate of equal size and equal magnitude of