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Protons can escape from the surface of the sun if their kinetic energy is sufficient to overcome the gravitational potential energy.
a) Calculate the minimum speed necessary for escape
b) the surface temperature of the sun is about 6000 kelvin. Calculate the root-mean-square speed of protons and make graph of speed distribution
A 10.0-m long string is moved up and down with simple harmonic motion with a frequency of 33 Hz. Determine the velocity of the wave on the sting
A rectangular loop of N close-packed turns is positioned near a long straight wire, find the formula for the mutual inductance M for the loop-wire combination
You are driving a car at the 25-mi/h speed limit when you observe the light at the intersection 68 m in front of you turn yellow. How fast were you going as you exited the intersection
What is the Kinetic energy of the Helium atom as it passes the 0 V plate. The mass of the Helium nucleus is 6.64e^-26
A 100 g granite cube slides down a 40* frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 200g steel cube at rest. How high above the table must the granite cube be released to give the steel cube a spee..
A home run is hit in such a way that the baseball just clears a wall 10 m high, located 124 m from home plate, Find the time it takes the ball to reach the wall
A boy kicks a football with an initial velocity of 28.0 m/s at an angle of 30.0 degrees above the horizontal. What is the highest elevation reached by the football
Electrons which were initially at rest were subjected to a continuous force of 2×10-12 newton along the entire length of two miles (one mile is 1.6 kilometers) and reached speeds very near the speed of light.
A circular disk of mass 10.0 kg and radius 0.500 m rotates at 30.0 revolutions per second on a vertical axle, What is the final angular velocity of the combination of disks
A small object is placed to the left of a convex lens and on the optical axis. obtain the position of the image formed by the lens?
There is an isolated point charge of q = +15 ?C. Using a test charge of q0 = +0.80 ?C, determine the E-field at point P which is 0.20 m away
For a spherical celestial object of radius R, acceleration due to gravity g at a distance x from the center of the object is g = g0R2/x2, where g0 is the acceleration due to gravity at the object's surface and x > R.
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