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An airplane driving at an angle of 30 degrees with the horizontal drops a bag of dans from an altitude of 800 m. The bagis observed to strike the groud 5 seconds after it releases.
1. what is the speed of the plane?2. how far does the bad travel horizontally during its dall?3. what are the horizontal and vertical components of itsvelocity just before it strikes the ground?
question a 6.80 h inductor with negligible resistance is connected across an ac source whose voltage amplitude is kept
A 150. W lamp is placed into a 120. V AC outlet. What are the peak and rms currents and What is the resistance of the lamp
A town has 500 real estate agents. The mean value of the properties sold in a year by these agents is $800,000 and the standard deviation is $300,000. A random sample of 100 agents is selected, and the value of the properties they sold in a year i..
A bus is traveling up a hill at a speed of 34m/s. The hill is 23 degrees relative to horizontal and the coefficient of static friction between the bus's tires and the road is 0.6
Two pellets, each with charge 5 microcoulomb (1 microcoulomb = 0.000001 coulombs), are located 0.5 m apart. What is electrical force between the charges.
A roller coaster car mass 988 kg is about to roll down a track with a circular loop at the bottom. at what speed does the car reach the top of the loop
Capacitors C1 = 5.0 µF and C2 = 2.0 µF are charged as a parallel combination across a 250 V battery. Calculate the resulting charge on each capacitor
find the required angular speed revmin of an ultra-centrifuge for the radial acceleration of a point 2.50cm from the
you have book a 6kg which sits on top of book b 15kg which sits on top of a table 30 kg. a draw a free body diagram of
An imaginary accelerator consists of colliding beams of electrons and protons, each of 2TeV total energy. What laboratory energy would be required to achieve the same center - of - mass energy if electrons collide with stationary protons?
A car traveling 56 km/h is 23.0 m from a barrier when the driver slams on the brakes. What was the car's constant deceleration before impact
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
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