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An external force moves a 3.1-kg box at a constant speed up a frictionless ramp. The force acts in a direction parallel to the ramp.
1. Compute the work done on the box as it is pushed up the 9 m ramp to a height of 5 m.
2. Discover the change in gravitational potential energy that the box undergoes as it rises to its final height.
A 3 centimeter tall statue is 48 centimeter in front of a convex lens having a focal length of magnitude 20 centimeter. Determine is the image of the statue real or virtual
a blue ball is thrown upward with an initial speed of 23.2 ms from a height of 0.6 meters above the ground. 2.8 seconds
Which best describes the total mechanical energy of a system in simple harmonic motion? A. zero as it passes the equilibrium point B. zero when it reaches the maximum displacement C. a maximum when it passes through the equilibrium point D. consta..
The raising and lowering angular momentum operators, J-hat(subscript +), J-hat(subscript -) are defined in terms of the Cartesian components J-hat(subscript x), J-hat(subscript y), J-hat(subscript z) of angular momentum J-hat by J-hat(+)=J-hat(x)+..
a 6.0 uc positive charge is located at the origin and a 4.0 uc positive charge is located at x 0.0 m y 1.0 m. find
Presume you carry a bag of groceries weighing 148 N from your car to the kitchen, a distance of 59m, without raising or lowering the bag.
Find the force exerted by the plane on the pilot
An electron in a cathode-ray tube is emitted from a hot filament at a negligible speed. , whereupon it accelerates across a potential difference of 1.00 x 106 V. Determine its final speed compared to the classical result.
Light from an argon laser strikes a diffraction grating that has 5310 grooves per centimeter. The central and first order principal maxima are separated by 0.488 m on a wall 1.72 m from the grating. Determine the wavelength of the laser light.
What is the magnitude of the auto average acceleration.
A car is moving south with an absolute velocity of 40 km/h. An observer at O is stationed 50 m to the east of the line of travel. When the car is directly west of the observer, what is the angular velocity relative to the observer? After the car move..
A positive charge of 3.0 \muC is pulled on by two negative charges. One, -2.0 \muC, is 0.050 m to the north and the other, -4.0 \muC, is 0.030 m to the south. What total force is exerted on the positive charge?
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