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Two metal balls are hung from strings. The first ball, 0.14 kg, is pulled to the side and released so that it strikes the second ball with a speed of 1.98 m/s. The two balls stick together and the combined mass has a speed of 0.24 m/s after collision. What is the mass of the second ball?
Three resistors are connected in series across a battery, What is the greatest voltage that the battery can have without one of the resistors burning up
A block is launched with speed up v0 a slope making an angle ? with the horizontal, Find an expression for the distance d the block travels along the slope
How much work is required to pull him a distance of 58.0 m up a 27.0° slope (assumed frictionless) at a constant speed of 1.80 m/s
A car that is traveling at 25.0 m/s is 42.5 m away from a wall. what is the magnitude of the cars acceleration
Two bumper cars moving on a frictionless surface collide elastically. The first bumper car is moving to the right with a speed of 21.5 m/s and rear-ends the second bumper car, which is also moving to the right with a speed of 5.00 m/s. What is the sp..
The most common isotope of a single nucleus (stripped of its electrons) is accelerated from rest through a potential difference of 1200V, What element is the unknown nucleus on periodic table
You spin an object around so that it moves in a horizontal circle with 2.00 m radius at a speed of 2.5m/s, What is the angular speed of the object
A generator rotates at 95Hz in a magnetic field of 0.025T . It has 650 turns and produces an rms voltage of 180V, What is the peak current produced
A simple pendulum has a length L and a mass m. At its highest point, the pendulum mass is 0.25L above its lowest point. What is the speed of mass when it is at its lowest point
The potential energy stored in the compressed spring of a dart gun, Find by how much is the spring is compressed
A 0.85-cm-diameter microscope objective has a focal length of 2.2 mm. It is used in visible light with a wavelength of 538 nm. What is the objective's resolving power if used in air
Gold, which has a mass of 19.32 g for each cubic centimeter of volume, is the most ductile metal and drawn out into a long fiber. what is the length of the fiber
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