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A particle leaves the rest and during its straight motion its acceleration is linear time; . Knowing that 10 seconds later, the particle has a velocity of 10 m/s. Then, 5 seconds later, the velocity of the particle is 30 m/s in the opposite direction and its position x = 60 m. Determine
1. Constants K1 and K2 in the expression of acceleration;
2. The hourly equations x(t) and v(t) of the particle;
3. The moment the particle changes its meaning.
4. The distance travelled by the particle in the time interval [10s,15s].
Discover the net force acting on a +2.5C charge placed at the origin from 3 equal charges of -1.25C placed at the positions(.25m,.25m)(0m,.25m),(-.25m,.25m).
two loudspeakers are separated by 1.00 meters and are excited in phase by a 1200 hz sine wave. at what points on a line
One gram of water changes from liquid to solid at a constantpressure of 1.00 atm and a constant temperature of 0°C. Find the change in the internal energy of the water
From the self-assessment and e-Activity, discuss the overall manner in which your results from the self-assessment relate to the Nun Study. Next, choose two (2) strategies discussed in the video that you could implement in the next three (3) month..
A flight attendant pulls her 61N flight bag a distance of 279m along a level airport floor at a constant velocity. The force she exerts is 41N at the angle of 50° above the horizontal.
an object is placed 12.0 cm in front of the cornea. the cornea is thin ans has approximately parallel sides so that the
A car of mass 1420 kilogram traveling at 20 m/s is at the foot of a hill that rises 120 meter in 2 kilometer. Compute the average power delivered by the car engine
Suppose the end of your finger is charged. (a) Estimate the breakdown voltage in air for your finger. (b) About what surfacecharge density would have to be on your finger at this voltage?
A uniform magnetic field of 25 mT magnitude points into the page. The wire is 1.4m long and straight, but has a loop smack in the middle. Calculate the amount of voltage induced if measured at the ends of the wire
Calculate the final temperature of the gas, in Kelvins, if the pressure is increased to 124 kPa and the volume decreases to 5.00 L.
a 1.5 v battery is connected to a 3 ohm light bulb assume resistance remains constant. the battery is rated to be able
The mass of the block is unchanged by the passage of the bullet (the mass removed making the hole is negligible, in other words). After the collision, the block swings up to a maximum angle θmax. and then stops. Find θmax.
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