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a. If Two vectors have unequal magnitudes. Can their sum be zero? Explain.
b. Can the magnitude of a particle's displacement be greater than the distance traveled? Explain.
Light emitted by Element X passes through a diffraction grating having 1200 lines/mm. The diffraction pattern is observed on a screen 75.0 cm behind the grating. Bright fringes are seen on the screen at distances of 56.2 cm, 65.9 cm and 93.5 cm fr..
start from the expression of the electric filed outside an infinite sheet of uniform surface charge
A football player releases a ball with the initial conditions shown in the figure. Determine the radius of curvature of the trajectory at times t = 0.4 sec and t = 1.2 sec, where t = 0 is the time of release from the quarterback's hand.
A speed skater goes around a turn that has a radius of 31 m. The skater has a speed of 12 m/s and experiences a centripetal force of 460 N. What is the mass of the skater
A jet airplane is in level flight. The mass of the airplane is m = 8830 kg. The plane travels at a constant speed around a circular path of radius R = 8.45 miles and makes one revolution every T = 0.112 hours. What is the magnitude of the lift force ..
Determine which of thefourmaterials is magnetic and describe how you made this determination. Determine whether a non-magnetic conductor can be used to ‘block' or ‘shield' a magnetic field and describe how you made this determination.
A 20 Kg loudspeaker is suspended 2.0 m below the ceilling by two cables that are each 30' from vertical . What is the tension in the cables
What is the magnitude of the force must each engine exert backward on the track to accelerate the train at a rate of 5.00 x 10-12 m/s2 if the force of friction is 7.6 x 105 N, assuming the engines exert identical forces?
A diver is 10m down in the ocean and the pressure gauge on an air tank reads 75kPa. At what depth will the gauge pressure read zero?
Determine the total distance traveled when t = 10 s. What are the particle's average velocity, average speed, and the instantaneous velocity and acceleration at this time?
An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff
How much is the spring compressed?
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