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A telephone cord is 9.00 m long andhas a mass of 0.500 kg. A transversewave pulse is produced by plucking one end of the taut cord. Thepulse makes four trips down and backalong the cord in 0.800 s. What is the tension in the cord?
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During a game of football, the ball is kicked by the punter with a speed of 20m/s at an angle of 40 degrees above the horizontal. A player on the other team, standing 50m away, starts running to catch the ball immediately after it is kicked. ASsu..
While the dried up seed pod of a scotch broom plant bursts open, it shoots out a seed with an initial velocity of 2.4 m/s at an angle of 60° above the horizontal.
A Hall probe serves to measure magnetic field strength. Such a probe consists of a poor conductor 0.171 mm thick, evaluate the magnetic field strength
In the figure set V = 0 at infinity and let the particles have charges q1 = +q = -5.40×10-5 C and q2 = -6q. They are seperated by d = 30 cm, What is the positive position
Which one of the following statements is correct concerning the variation of pressure with depth in a static fluid? Which one of the following statements is correct concerning ahydraulic lift?
White light containing wavelengths from 405 nm to 760 nm falls on a grating with 8000 lines/cm. How wide is the first-order spectrum on a screen 2.20m away.
It requires 78.73 J of work to lift a rock to a height of 4.03 m. What is the mass of the rock
A kid fires water horizontally from a squirt gun held 1.6 above the ground. It hits other kid 2.4 away squares in the back, at a point 0.85 above the ground. What was the initial speed of the water.
A 28-turn circular coil of radius 4.20 cm and resistance 1.00 %u03A9 is placed in a magnetic field directed perpendicular to the plane of the coil. Calculate the induced emf in the coil at t = 5.80 s
A thin gold ring of radius 1.02 cm carries a uniform charge per unit length of 1.02e-14 C/m. Find the electric field on the axis of the ring 1.09 cm from the center magnitude.
Two cars, both of mass m, collide and stick together. Prior to the collision, one car had been traveling north at speed 2v, while the second was traveling at speed v at an angle phi south of east (as indicated in the figure).
A student walks 24 m from her math class and then turns 90° and walks 10 m to her locker, that is directly north of her class. What is her total displacement.
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