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two blocks are connected by a horizontal rope. block 1 has a mass of 20kg and block 2 has a mass of 12kg. the horizontal surface supporting the blocks is frictionless. an external pulling force of 50 Newtons is applied to block 2.
a) determine the acceleration of each block?
b) determine the tension in the rope connecting the two blocks?
Two lenses, one converging with focal length20.0cm and one diverging with focal length? 11.5cm , are placed 25.0?cm apart. Determine the magnification of the final image formed
A bar magnet is oriented with its magnetic dipole moment at 39.5° to the direction of a 0.0689-T magnetic field, causing a torque of 0.00351 N·m to act on it
What is the electric field strength between the disks. What is the speed of the box at the end of the 5.7-s interval.
at the top of a 100m cliff a backpack is dropped. one second later an archer fires an arrow straight down that hits the backpack just as it reaches the ground, How long does it take for the backpack to reach the ground
Two capacitors connected in parallel produce an equivalent capacitance of 40.0?F, What is the individual capacitance of each capacitor
A jet engine emits sound uniformly in all directions, radiating an acoustic power of 2.17 × 102 kW. Find the intensity of the sound
A 30-meter steel tape is correct at a temperature of 20.0(C). The distance between two points, as measured by this tape on a day when the temperature is 5 (C), is 25.970m. What is the true distance between the points?
find the center of mass of a uniform density cone. give your answer as a distance from the cone point, and as a fraction of the total cone height
Two mass-spring systems have the same mass and the same total energy. The amplitude of system 1 is three-fourths that of system 2. How do their maximum accelerations compare
On a banked race track, the smallest circular path on which cars can move has a radius of 120 m, while the largest has a radius 155 m, Find the smallest speed at which cars can move on this track without relying on friction
A 2.35kg ball moving at 4.20 m/s to the right hits a 3.45kg ball head on that is travelling at 3.50 m/s to the left. What is the velocity of the first ball after the perfectly elastic collision
A man driving a car toward a large vertical wall sounds his horn. The car is traveling at 81 km/h. What is the frequency of the car's horn
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