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A gnat takes off from one end of a pencil and flies around erratically for 39.6 seconds before landing on the other end of the same pencil. If the gnat flew a total distance of 6.15 meters, and the pencil is 0.0813 m long, discover the gnat\'s average speed, as well as the magnitude of the gnat\'s average velocity vector.
If the string makes an angle of 29? with the vertical, find out the centripetal force experienced by the ball. The acceleration of gravity is 9.8 m/s2 .
What is the escape speed on a spherical asteroid whose radius is 241 km and whose gravitational acceleration at the surface is 0.492 m/s2
A projectile is launched vertically from the surface of the moon with an initial speed of 1050m/s. At what latitude is the projectiles speed one half of its initial value?
Calculate the percentage of light that goes through the polarizer-analyzer pair in terms of the incident light intensity
A 5 kg object is dropped from rest 2.5m above the ground. What is the kinetic energy of the object just before it hits the ground
A thick layer of oil is floating on the surface of water in a tank. A beam of light traveling in the oil is incident on the water interface , What is the refractive index of the oil
Select True or False for each of the following statements regarding magnetism, and the earth's magnetic field "B."
A 3.6- cm-radius ball rolls down an inclined plane from rest at the top. The angular acceleration of the rolling ball about its center is 255 rad/s2, How long is the plane
A ball is thrown so that its initial vertical and horizontal components of velocity are 60 m/s and 15 m/s, respectively. Estimate the maximum height the ball reaches
One mole of an ideal gas does 2500 J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm and volume of 28.0 L. Determine the temperature of the gas
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air. determine the recoil velocity
1 two equally charged spheres of mass 0.001kg are placed 0.02m apart. what is the eletrictric repulsive force that they
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