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Q. A 0.15 kg pool ball moving in the + direction collides with another pool ball. The collision lasts 50 ms, and the average impulsive force on the first ball is -12 + 9.2 N. If the initial velocity of the first pool ball is what is the magnitude of its velocity after the collision?
Q. A soccer player applies a force of 60.5 N to a soccer ball while kicking it. If the ball has a mass of 0.42 kg, what is the acceleration of the soccer ball?
Which statement is true concerning the magnitude of the net force on the plane.
Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. Conclude the volume of each cube.
A 67.3 ice skater moving to the right with the velocity of 2.52 throws a .151 snowball to the right with a velocity of 33.7 relative to the ground. What is velocity of the ice skater after throwing the snowball.
A 0.144 kg baseball is pitched horizontally at +38 m/s and after it is hit by the bat it moves horizontally at -38 m/s.
What is the average force exerted on the ball. How fast (in ) must a centrifuge rotate if a particle 6.50 from the axis of rotation is to experience an acceleration of 125,000 's.
Two speakers, one straight behind the other, are each generating a 285 Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Suppose that the s..
A simple pendulum has a mass of 0.150 kg and a length of 3.00 m. It is displaced by an angle of 12.0° and then released. What is the utmost speed?What is the maximum angular acceleration?What is the maximum restoring force.
Write down the original position of the system
A spider of mass m is sitting in a perfectly symmetric web (in a vertical plane with 45 angles between the web lines), where Ti's denote the tensions along the lines that are connected to the spider at the center with i = 1, 2, 3, 4, 5, 6, 7, 8. The ..
A horizontal force of 822 N is needed to drag a crate across a horizontal floor with the constant speed. You drag the crate using a rope held at an angle of 34° (from the horizontal).
A baseball is hit with a speed of 33.0 ms-1 at an angle of 56.0 degrees. It land's on the flat roof of a nearby building with a height of 13 m. If the ball was hit when it was 1.7 m above the ground, what horizontal distance does it travel before it ..
A wheel 65 cm in diameter accelerates uniformly from 215 rpm to 390 rpm in 6.0 s. How far will a point on the edge of the wheel have traveled in this time.
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