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A .015 kg marble moving to the right at .4m/s has a head on, elastic collision by a .045 kg marble sitting at rest on a smooth, level surface. What is the magnitude and direction of the velocities of the two marbles after the collision?
two blocks are connected by a rope passing through a pulley. one block is on a table and has a mass of 1kg the other is
At NASA's Zero Gravity Research Facility in Cleveland, Ohio, experimental payloads fall freely from rest in an evacuated vertical shaft through a distance of 132 m. How fast will the payload be traveling when it reaches the bottom of the shaft
a block of mass m sliding on a frictionless table is attached to a horizontal string that passes through a tiny hole in
an electron with kinetic energy 4.90 kev circles in a plane perpendicular to a uniform magnetic field. the orbit radius
the earth has an angular speed of 7.272nbsp 10-5 rads in its rotation. find the new angular speed if an asteroid m
How much current would be through a copper wire of length 10 m and a diameter of 1 mm, which is connected parallel to a battery of 12 V
the solar wind is a thin hot gas given off by the sun. charged particles in this gas enter the magnetic field of the
A 5.50 kg ornament is hanging by a 1.40 m wire when it is suddenly hit by a 3.00 kg missile traveling horizontally at 12.0 m/s. What is the tension in the wire immediately after the collision
Calculate the de Broglie wavelength for a proton moving with a speed of 6.3 × 106 m/s. The mass of a proton is 1.67262 × 10-27 kg and Planck's constant is 6.62607 × 10-34 J · s
car on a ramp a 1030-rm kg car is held in place by a light cable on a very smooth frictionless ramp as shown in the
A person 1.7 m tall is standing 2.50m in front of a camera. Find the magnification and the height of the image on the film
The construction of a flat rectangular roof(2.7 m x 4.6 m) allows it to withstand a maximum net outward forceof 20008 N. At what wind speed will this roof blow outward
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