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Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +3.8 m/s. Particle 2 has a mass m2 and a velocity v2 = -7.0 m/s. The velocity of the center of mass of these two particles is zero. In other words, the center of mass of the particles remains stationary, even though each particle is moving. Find the ratio m1/m2 of the masses of the particles.
A boy whirls a stone in a horizontal circle of radius 1.7 m and at height 2.2 m above ground level. The string breaks, and the stone flies horizontally and strikes the ground after traveling a horizontal distance of 10 m. What is the magnitude of the..
A spherical buoy 3 ft in diameter is weighted to float half out of water, as shown in Fig. The center of gravity of the buoy is 8 in.
In recent years, a number of nearby stars have been found to possess planets. Find the mass of the star
a projectile is launched with an initial speed of 40 ms at an angle of 20deg above the horizontal. the projectile lands
One component of a device for producing a beam of spin polarized protons for use in nuclear research is a spherical deflector. The ion source may be described in class. The deflector is composed of two sections of spheres that face each other as c..
a charge of -2.510 uc is located at 2.600m 4.259m and a charge of 1.770 uc is located at -2.666m 0.part afind the
A 24.00 kg child is on a swing that hangs from 1.6-m long chains. What is her highest speed if she swings out to a 45° angle.
An astronaut flies from the Earth to a distant star at 60% of the speed of light. As measured by the astronaut, the one-way trip takes 18 years.
A baseball outfielder throws a 0.150 kilogram baseball at a speed of 38.0 m/s and an initial angle of 27.0 degree. Find the kinetic energy of the baseball at the highest point of its trajectory
A 3.0 kg block of aluminum isheated from 20°C to 90°C at atmospheric pressure. Find the work done by the aluminum
Two identical containers are open at the top and are connected atthe bottom via a tube of negligible volume and a valve that isclosed. Determine the fluid level in the left container when equilibrium is re established
When in orbit, a communication satellite attracts the earthwith a force of 19.0 kN, Find the satellite's altitude above the earth's surface
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