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As current flows through a uniform wire, the wire gets hotterbecause the electrons slow down and therefore transform their lostkinetic energy into thermal energy in the wire. why is this statement FALSE?
A meat baster consists of a squeeze bulb attached to a plastic tube. When the bulb is squeezed and released, with the open end of the tube under the surface of the basting sauce, the sauce rises in the tube to a distance h.
If it started falling from an upright position, what was the initial angular acceleration of the structure? suppose that the bottom did not slide across the floor and that it did not fall out of plane; that is, during the fall, the structure remained..
the electric potential at a position located a distance of 22.8 mm from a positive point charge of 8.00times10-9c and
A 4.7-g object moving to the right at 18 cm/s makes an elastic head-on collision with a 9.4-g object that is initially at rest. What is the velocity of the 4.7-g mass after the collision
Jamal pulls a 200N sled up a 28° slope at a constant speed by a force of 100N. Near the top of the hill he releases the sled, With what acceleration does the sled go down the slope
A rifle bullet is fired horizontally off the top of an ocean-based drill site. If the air resistance is negligible and the vertical distance to the water is 35 m, what additional information is needed to determine the time required for the bullet ..
at 20 deg c an alum ring has an inner diameter of 5.000 cm and a brass rod has a diameter of 5.050 cm. a if only the
a 28 kg rifle bullet at an unknown velocity buries itself in a 3.6-kg pendulum hanging on a 2.8-m long string, what was the speed of the bullet prior to impact
A proton is at the origin and an electron is at the point x= 0.35nm , y= 0.34nm .Find the electric force on the proton.
Two free charges(+)q and (+)4q are separated by a distance l meters. find the magnitude,sign and location of a third charge which makes the system in equilibrium
A concave shaving mirror has a radius of curvature of27.0 cm. It is positioned so that the(upright) image of a man's face is 3.50 times the size of the face. How far is the mirror from the face
q1. how much would an 80.0 kg person weight a on mars where an acceleration of gravity is 3.93 ms2 and b on earths moon
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