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The position of a particle moving along the x axis is given in centimeters by x = 9.13 + 1.33 t^3, where t is in seconds. Calculate (a) the average velocity (in cm/s) during the time interval t = 2.00 s to t = 3.00 s; (b) the instantaneous velocity at t = 2.00 s; (c) the instantaneous velocity at t = 3.00 s; (d) the instantaneous velocity at t = 2.50 s; and (e) the instantaneous velocity when the particle is midway between its positions at t = 2.00 s and t = 3.00 s.
The equation of a transverse wave traveling in a string is given by y=A sin(k x??t). The tension in the string is 18.0 N, A = 1 mm, k = 22 rad/m, ? = 325 rad/s. What is the linear density of the string. I have the speed of the wave but i cant get ..
two particles are situated on the x axis. the particle q1 with 34 excess electrons is situated at the point x 100
A particle moves on the x axis from x=0 to x=3. A force of magnitude F(x) = 3x3 + 4x acts on the particle. Calculate the work done by the force
Assume Rutherford used an alpha particle with a kinetic energy of 5.25MeV and fired them into a sheet of aluminum, one atom thick. Determine the minimum radius of approach
A 30 kg girl who's running at 3 m/s jumps on a stationary 10 kg sled on a frozen lake. How fast does the sledwith the girl on it move
A flower pot on a balcony railing falls to the ground 9.03 m below. A cat directly beneath the pot sees it begin to fall. How long does the cat have to move
A 13.0-µF capacitor is charged to a potential of 60.0 V and then discharged through a 185-? resistor. How long does it take the capacitor to lose half of its charge
A charge q= +5.80 x 10^-6 is located at the center of a regular tetrahedron (a four sided surface). find the electric flux through one face of the tetrahedron
An 8.57-kg block slides with an initial speed of 1.64 m/s up a ramp inclined at an angle of 27.3° with the horizontal. Use energy conservation to find the distance the block slides before coming to rest
the new river gorge bridge in west virginia is a 518 m long steel arch. how much will its length change between
Two closely wound circular coils have the same number of turns, How are the self-inductances of the two coils related
A gun shoots bullets that leave the muzzle with a speed of 341. If a bullet is to hit a target 177 away at the level of the muzzle, the gun should be aimed at a point above the target.
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