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Q. A cord passes over a weightlessness and frictionless pulley. Masses of 200g and 300g are attached to the ends of the cord. Find out the distance the masses will move during the 5th second after they are started from rest.
Q. You are driving home from school steadily at 94 for 120. It after that begins to rain and you slow to 60. You arrive home after driving two hours and 20 minutes. How far is your hometown from school?
A 4.25 bullet traveling horizontally with a velocity of magnitude 375 is fired into a wooden block with mass 1.10 , initially at rest on a level frictionless surface. The bullet passes by the block and emerges with its speed reduced to 110 .
how to determine the magnitude of the acceleration at the instant.
What is its angular displacement in this time.
At one point in a pipeline, water's speed is 3.30 m/s and the gauge pressure is 4.00×10^4 Pa. Find out the gauge pressure at a second point in the line 13.0 m lower than the first if the pipe diameter at the second point is twice that at the first.
At a certain location, the horizontal component of the earth's magnetic field is 4.90 10-5 T, due north. A proton moves eastward with just the right speed, so magnetic force on it balances its weight. Find the speed of the proton.
A spherical Balloon is inflated at the rate of 144pie cubic inches per minute (in^3/min). How fast is the radius of the balloon changing when the radius is 4 inches? Recall the formula for volume of sphere: V(4/3) pieR^3?
What is the approximate mass of the cat.
find What is the impulse delivered by the bat.
A moon orbits a planet because of the gravitational force between them. Similarly, each body also experiences a tidal force due to gravity. Consider how the magnitude of the tidal force changes as distance between a planet and moon varies.
Express how unmet basic physiological needs of oxygen, nutrition, temperature, and humidity threaten clients' safety.
A ship's anchor weighs 5000 N. Its cable passes over a roller of negligible mass and is wound around a hollow cylindrical drum of mass 380kg and radius 1.10m. The drum is mounted on a frictionless axle. The anchor is released and drops 16 m to water.
A loudspeaker of mass 18.0 {rm kg} is suspended the distance of h = 1.20 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 2.70 {rm m}. What is the tension T in each of the cables? Utili..
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