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Q1. A 0.440-kg blue bead slides on a frictionless, curved wire, starting from rest at point, where h = 1.40 m. At point, the blue bead collides elastically with a 0.625-kg green bead at rest. Find out the maximum height the green bead rises as it moves up the wire.
Q2. A 78-kg base runner begins his slide into second base when he is moving at a speed of 4.2 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches base.
An electromagnetic wave in a vacuum has a magnetic field with a magnitude of 1.59 × 10-6 T. What is the intensity S of the wave
The fundamental frequency of a standing wave on a 1.3-m-long string is 410Hz. What would be the wave speed of a pulse moving along this string
A dog pulls on a pillow with a force of 2.2 N at the angle of 40° above the horizontal. Find the x and y components of the force.
One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. estimate the diameter of the pinhole
A helicopter is ascending perpendicularly with a speed of 5.02 {rm m/s}. At a height of 115 {rm m} above the Earth, a package is dropped from the window.
A point charge of +6.3? C is located 0.31 m from a second point charge of -4.8? C. What is the absolute magnitude of the force on each charge?
What is the wavelength of the second laser that would place its second maximum at the same location as the fourth minimum of the first laser, if = 0.300 ?
A visible disturbance propagates around a crowded soccer stadium when fans, section by section, jump up and then sit back down
A small, 300g cart is moving at 1.30m/s on an air track when it collides with a larger, 5.00kg cart at rest. What is the speed of the large cart after the collision
When placed 1.2 m apart, the force each exerts on the other is 12 N and is repulsive. What is the charge on each? What if the force were attractive.
how fast is the mass moving when leaves the spring. Two forces, and , act at a point. has a magnitude of 9.00 and is directed at an angle of 65.0 degrees above the negative x axis in the second quadrant. has a magnitude of 6.00 and is directed at a..
A block of iron is suspended from one end of an equal-arm balance by a thin wire. To balance the scales, 8.05 kg are needed on the scale pan at the other end. What is the volume of the block
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