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A 1000 kilogram wrecking ball hangs from a 15 meter long cable. The ball is pulled back until the cable makes an angle of 25o within the vertical. Find by how much has the gravitational potential energy of ball changed?
What is magnitude of the gravitational attraction
question 1two astronauts yuri and valentina are flying their rockets towards each other both at a speed of 09c as
For a standard production car, the highest road-tested acceleration ever reported occurred in 1993, Calculate the magnitude of the car's acceleration
A 12-kg block (M) is released from rest on a frictionless incline that makes an angle of 28 degrees. How far does the block move down the incline from its rest position to the stopping point
A C1=25 uF capacitor is charged to 4.0kV and then removed from the battery and connected to uncharged C2=45uF capacitor. which capacitor stores more energy and why
A proton moves perpendicularly to a uniform magnetic ?eld B with a speed of 1.9 × 10 ^7 m/s and experiences an acceleration of 8 × 10 12 m/s 2 in the positive x direction when its velocity is in the positive z direction. The mass of a proton is 1...
A horizontal light ray is incident on a crown glass prism as shown in the figure below where ? = 42.5°. Find the angle of deviation ? of the ray-the angle
Two parallel square metal plates (side length: 13 cm) are separated by a dielectric material with a dielectric constant 3.9 and a thickness of 2.4 mm. Find the energy stored on the capacitor
q1. a brick is thrown upward from the top of a building at an angle of 45deg to the horizontal and with an initial
A ball is shot from the top of a building with an initial velocity of 20m/s at an angle ? = 42? above the horizontal. What are the x and y components of the initial velocity
A diverging lens with a focal length of -14 cm is placed10 cm to the right of a converging lenswith a focal length of 18 cm. An object is placed 31 cm to the left of the converging lens.
The water molecule H2O, with a permanent dipole moment of magnitude of 6.2x10^-30 Cm, What force does the ion exert on the water molecule
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