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A 2-kg collar which can slide on a frictionless vertical rod is acted upon by a force P which varies in magnitude as shown. Knowing that the collar is initially at rest, determine
(a) The maximum velocity of the collar,
(b) The time when the velocity iszero.
The horizontal velocity of a projectile
What type of lenses do I use to build a simple two lens opera glass? Which lens is closest to the stage in such device
A cannon fires a 7.120 kg projectile at 36.75°. If the 480.6 kg cart is pushed 12.35 meters along theground in 2.850 seconds then how fast was the projectile fired
An automobile tire has a radius of 0.325 m, and its center moves forward with a linear speed of v = 24.8 m/s. Determine the angular speed of the wheel
A hoop is rolling with-out slipping along a horizontal surface at 11 m/s, Evaluate what is the speed of the hoop after it has rolled 6.00m up the ramp
A copper rod has a length of 1.6 m and a cross-sectional area of 3.9 10-4 m2. What is the mass of ice per second that melts
A bowling ball, which can be treated as a solid sphere with a diameter of 21.6 cm and a weight of 33 kg, The kinetic energy of the bowling ball is
At the Earth's surface a projectile is launched straight up with aspeed of 10.1 km/s. To what height will it rise. Ignore airresistance and the rotation of the Earth.
An airplane flies in a tight vertical circle. To make sure the flyer does not black out at the bottom of the circle, Determine minimum radius of circle thus that 4.0 gram limit is not exceeded
A water hose 4.00 cm in diameter is used to fill a 25.0 L bucket. If it takes 3.00 min to fill the bucket, If the hose has a nozzle 2.00 cm in diameter, find the speed of the water at the nozzle
Two forces push simultaneously a stationary 2kg box in opposite directions: F1 acts from left to right and does 150J of work on the box while F2 acts from right to left
A top spins at 30rev/s about an axis that makes an angle of 30 deg. with the vertical. what is the direction of precession as viewed from overhead
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