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The position of a 60-gram golf ball sitting on a teeis determined within +- μm. what is itsminimum possible energy? Moving at the speed corresponding tothis kinetic energy, how far would the ball move in a year?
Eris, the largest known dwarf planet in the Solar System, has a radius R = 1200 km and an acceleration due to gravity on its surface of magnitude g = 0.77 m/s2. Use these numbers to calculate the escape speed from the surface of Eris
a constant horizontal pull of 8.50 n drags a box along a horizontal floor through a distance of 17.4m. a how much does
A block of mass m = 4.2 kg, moving on a frictionless surface with a Vi=2.9m/s speed makes a perfectly elastic collision with a block of mass M at rest. After the collision, the 4.2 block recoils with a speed of 0.9m/s. The mass M is closest to.
a points a and b have electric potentials of 255 v and 129 v respectively. when an electron released from rest at point
Suppose that a police car on the highway is moving to theright at 27 m/s, while the speeder is coming up from behind at aspeed of 39 m/s, both speeds being with respect to the ground. Which wave has the greater frequency
An ideal massless spring is hanging vertically. When an unknown mass is attached to the spring, What is the frequency of the resulting oscillation
The graph shows the net external force component Fcos along the displacement as a function ofthe magnitude s of the displacement. The graph applies toa 59.4-kg ice skater.
particle moves in a plane according to the equations of motion x = Rsin(?t) + ?Rt y = Rcos(?t) + R ; Find the instantaneous velocity and acceleration when the particle is at its maximum and minimum value of y
An entomologist examining an insect adjusts the position of hermagnifying glass so that the image of the insect is at her nearpoint, what is the approximate distance between the insect and the magnifyingglass
q1. a wheel 45.0 cm in diameter accelerates uniformly from 206rpm to 340 rpm in 7.0 s. how far will a point on edge of
A .32 caliber bullet fired from a revolver with a 3 in long barrel will have a relatively low muzzle speed of about 200 m/s. how fast will it be moving when it returns
A pendulum consists of a compact 0.30 kg bob attached to a string of length 1.90 m. A block of mass m rests on a horizontal frictionless surface. The pendulum is released from rest at an angle of 53° with the vertical.
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