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A particle leaves the origin with an initial velocity v(bold)=2.4m/s xhat , and moves with constant acceleration a (bold)= -1.9 m/s^2 xhat + 3.2m/s^2 yhat.
(a) How far does the particle move in the x direction before it turns around?
(b) What is the particles velocity at this time?
An 18.0 g rifle bullet travelling 245 m/s buries itself in a 3.50 kg pendulum hanging on a 3.00 m long string, which makes the pendulum swing upward in an arc. Find out the vertical and horizontal components of the pendulum's displacement.
Light inside an optical fiber tube hits the wall between the tube and air. What is the index of refraction of the tube
You throw a 13 g rock and it leaves your hand at a speed of 17 m/s. What is the de Broglie wavelength of this rock
Assume that the speed of light in a vacuum has the hypothetical value of 7.32 m/s. In a pickup baseball game, who is standing at home plate
A dc motor with its rotor and filed coils connected in series has an internal resistance of 3.2 ?. What is the power delivered to the motor
A cat rides a merry-go-round while turning with uniform circular motion. At time t1 = 2.00 s, What is the magnitude of the cat's centripetal acceleration
What is magnitude of the runners total displacement
Considering only the gravitational forces that the spheres exert on each other, illustrate what is the magnitude of the initial acceleration of the third sphere?
how far will the bullet penetrate the block of wood.
Two ambulances move toward each other on a straight road. Each travels at a speed of 65 mph. The siren on each ambulance produces a sound wave of frequency 460 Hz. (Take the speed of sound in air to be 340 m/s.)
A bob of mass m = 0.300kg is suspended from a fixed point with a massless string of length L = 21.0cm, What tangential speed v must the bob have so that it moves in a horizontal circle with the string making an angle 24.0
A person who weighs 656 N is riding a 91-N mountain bike. compute the area of contact between each tire and the ground
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