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An electric vehicle starts from rest and accelerates at a rate of 2.4 m/s2 in a straight line until it reaches a speed of 14 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 until it stops.
(a) How much time elapses from start to stop?
_____ s
(b) How far does the vehicle travel from start to stop?
_______- m
ow does this change in amplitude affect the wave's frequency.
A surface completely surrounds a 3.5 × 10-6 C charge. Find the electric flux through this surface when the surface is (a) a sphere with a radius of 0.59 m, (b) a sphere with a radius of 0.16 m, and (c) a cube with edges that are 0.27 m long.
A circular wire loop of radius 11.3 cm carries a current of 3.48 A. What is the magnitude of the torque acting on the loop
Three people pull simultaneously on a stubborn donkey. Jack pulls directly ahead of the donkey with a force of 81.7 N, Find the magnitude of the net force the people exert on the donkey
If you connect these 3 resistors in series across a variable emf source of negligible internal resistance, what is the largest potential difference this emf source can be set to without damaging any of resistors.
A small block with a mass of 0.120kg is attached to a cord passing through a hole in a frictionless, horizontal surface. The block is originally revolving at a distance of 0.50 m from the hole with a speed of 0.70m/s. The cord is then pulled from ..
Metal sphere 1 has a positive charge of 8.00nC . Metal sphere 2, which is twice the diameter of sphere 1, What are the final charges on each sphere
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A flat copper sheet has a hole with area 0.265 m^2 at room temperature (25 degree C). If it's heated to 510 degree C, what's the hole's new area
What is the resistance of the light bulb? A light bulb is wired in series with a 120-? resistor, and they are connected across a 120.0-V source
A 6.0-ft tall football player stands in front of a plane mirror. How tall must the mirror be so that the football player can see his full-sized image
The triceps muscle in the back of the upper arm extends the forearm. What is the moment of inertia of the boxer
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