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Four identical charged particles (q = +18.0 µC) are located on the corners of a rectangle as shown in the figure below. The dimensions of the rectangle are W = 14.0 cm and L = 58.0 cm. Compute the change in electric potential energy of the system as the particle at the lower left corner in the figure is brought to this position from infinitely far away. Suppose the other three particles in the figure below remain fixed in position.
A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potential energy of the nucleus due to electrical forces
Two groups of canoeists meet in the middle of a lake. After a brief visit, a person in canoe 1 pushes on canoe 2 to separate the canoes. Assume the speeds of the two canoes after they are pushed apart are 0.60 m/s for canoe 1and 0.44 m/s for canoe 2.
A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 4.00 m/s, and her takeoff point is 1.50 m above the pool. What is her velocity when her feet hit the water
A rocket-powered hockey puck has a thrust of 4.0 Newton and a total mass of 1.0 kilogram. Determine how far does the puck land from the base of the table in meters
All through an experiment, a block of wood with a mass of 250 g is placed on an inclined plane. While the plane is raised to an angle of 43o, the block slides down the plane at a constant speed.
A 0.700 kg ball is on the end of a rope that is 1.30m in length.The ball and rope are attached to a pole and the entire apparatus,including the pole, rotates about the pole’s symmetry axis.The rope makes an angle of 70.0 degrees with respect to theve..
The flywheel of a steam engine runs with a constantangular speed of 156 rev/min. What is the constant angular acceleration of the wheel, inrev/min2
A 64.5 kilogram canoeist stands in the middle of her canoe. The canoe is 3.5 meter long, and the end that is closest to land is 2.5 meter from the shore. Compute what the mass canoe
The label on a 12.0-V truck battery states that it is rated at 181.0 A·h (ampere-hours). Treat the battery as ideal. How much electric energy can the battery supply
A Ferris wheel rotating at 20 rad/s decelerates with a constantangular acceleration for -5.0 rad/s2. How many revolutions does it rotate before coming to rest
Some sliding rocks approach the base of a hill with a speed of 18.0m/s. Find the acceleration of the rocks as they slide up the hill
A 2.3 kg pendulum bob is pulled out such that its center of mass is 0.26 m above its lowest point and released. What is the gravitational potential energy of the pendulum
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