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Force F = (1.0 N) + (-1.0 N) acts on a pebble with position vector r = (2.70 m) + (-2.1 m) , relative to the origin.
(a) What is the resulting torque acting on the pebble about the origin? (in i, j, and k)
(b) What is the resulting torque acting on the pebble about a point with coordinates (-5.0 m, 8.0 m, 3.0 m)? (in i, j, and k)
Conservation of energy tells us that energy cannot be created or destroyed. Clearly, energy is required for radioactivity to occur. Where is this energy coming from?
What is the minimum thickness of the film. what is the magnitude of the average acceleration of the ball through out this time interval.
a falling flower pot passes a 1.5 m tall window of an apartment building in a time of .16 s. from what height above the top of the window was the pot dropped
A tuning fork vibrating at 666 Hz falls from rest and accelerates at 9.8 m/s 2. How far below point of release is the tuning fork when waves of frequency 626.4 Hz reach the release point? The speed of sound in air is 339 m/s.
A rock is thrown vertically upward with a speed of 15.0m/s from the roof of a building that is 40.0m above the ground, What is the speed of the rock just before it strikes the ground
find the radius of curvature of the vertical profile of the road at A. Using value of the curvature found, determine the force exerted on a 160-lb driver by the seat of his 3100-lb car as the car, traveling at a constant speed of 50 mi/h, passes t..
Four identical 7 mC charges are placed on a neutrally- charged penny, Determine the resulting potential in the center of the penny due to the four charges
What is the difference between mas and weight? On earth, what is the weight of a 1 kg mass, When your textbook says that the moon "falls around the earth,
You drop a stone into a deep well and hear it hit the bottom 2.40 s later. This is the time it takes for the stone to fall to the bottom of the well, plus the time it takes for the sound of the stone hitting the bottom to reach you. Sound travels ..
How far does Tinki drive before passing David.
Water can hold 36 grams (g) of salt in every 100 milliliters (mL). The ocean contains 3.6 g of salt in every 100 mL. As a solution, which is seawater.
A father racing his son has half the kinetic energy of the son, who has one-third the mass of the father, What is the original speed of the father
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