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Calculate the translational kinetic energy of Earth as it orbits the Sun once each year (the EarthA????1Sun distance is 1.50 x 1011 m). Compare the translational kinetic energy to the rotational kinetic energy. (Earth is approximately a solid sphere, has a mass of 5.98 x 1024 kg, a radius of 6.38 x 106 m, and completes one rotation about its central axis each day.)
An underwater scuba diver sees the Sun at an apparent angle of28.0° from the vertical. What is actual direction of the Sun
Find the velocity of your feet, v, due to the rotation of Earth. Assume that Earth is a perfect sphere of radius R=6378km and that a day is exactly 24 hours long.
A lamp hangs vertically from a cord in a descending elevator with a constant deceleration a. If the tension in the cord is T0, answer the following, What is the lamp's mass
You illuminate a slit of width 0.0527 mm with light of wavelength 715 nm and observe the resulting diffraction pattern on a screen that is situated 2.39 m from the slit
While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 5.83 m/s. How much time is the stone in the air
a 4 microf capacitor is charged by a 200 v supply. it is then disconnected from the supply and is connected to another
A 3.87 kg mass experiences a gravitational force of 14.7 N at a certain point in space. What is the magnitude of the gravitational field at that point
An intergalactic rock star bangs his drum every 1.30 s. A person on earth measures that the time between beats is 2.10 s. How fast is the rock star moving relative to the earth
Consider an object on an incline where friction is present. The angle between the incline and the horizontal is ? and the coefficient of kinetic friction is ?k. Find an expression for the acceleration of this object
A bulldozer pushes a large rock, and the two move forward together. The bulldozer does 1500 J of work on the rock. How much work does the rock do on the bulldozer
A proton is accelerated through 5.0 MV and then enters a uniformmagnetic field of 0.25 T. If the velocity of the proton is inthe + x direction and the uniform magnetic field in the + zdirection, fully describe motion of the proton after it enters ..
Steel ball of 300 g is attached to a 85cm fixed at one end and is released with cord horizontal. At bottom of its path it hits a 3.5 kg steel block at rest. Elastic and no friction. Find the hight the ball rebounds.
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