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Two frictionless carts are pulled (horizontally to the left) by a force of F1=24N. m1=2.0kg and m2=4.0kg. Find
(a) the acceleration of the system,
(b) the tension in the connecting cord.
A girl delivering newspapers covers her route by traveling 9.99 blocks west, 4.00 blocks north, and then 1.00 blocks east
A 1.00-kg beaker containing 1.80 kg of oil (density = 916 kg/m3) rests on a scale. A 1.90-kg block of iron is suspended from a spring scale and is completely submerged in the oil. Determine equilibrium readings of both scales.
Suppose you want to connect your stereo to remote speakers; it requires 20 m length of wire per speaker, how does the resistance changes
The wire is cut at point P. Will the potential difference between points A and B increase, decrease, or remain the same? Give reason for.
person walks 25.0° north of east for 3-km. How far would another person walk due north and due east to arrive at the equal location?
Old naval ships fired 14 cannon balls from a 240 cannon. It was very important to stop the recoil of the cannon, since otherwise heavy cannon would go careening across the deck of the ship.
An elevator cable can withstand a maximum tension of 19,500N before breaking. The elevator has a mass of 480 kg and a maximum acceleration of 2.24 m/s2. Engineering safety standards require that the cable tension never exceed two-thirds of the breaki..
An object with a charge of 0.880 µC is placed at the center of a regular icosahedron with 20 equivalent surfaces. What is the electric flux through one surface of the icosahedron?
A hot-air balloon is ascending at the rate of 12 m/s and is 84 m above the ground when a package is dropped over the side. Explain how long does the package take to reach the ground?
The objects are then released from rest. Assuming that the particles never reach the pulley, and also that the particles do not rebound when they strike the ground.
You throw a ball straight into the air from a height of 4 feet and with a speed of 5.02 m/s, How far are you from the ball, the moment it hits the ground
Kim has a metal casting company which makes commemorative coins. She has 0.12 cubic meters of silver which she needs to make into 1.07E5 coins of thickness 2 mm. If she uses all of the silver, what is the diameter in centimeters of each coin.
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