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The solar wind is a continuous stream of particles, mostly protons and electrons, moving away from the Sun. When the particles encounter Earth's upper atmosphere, they are moving at speeds of several hundred km/s. If such a particle reaches Earth's upper atmosphere with a speed of 92 km/s, how fast was it moving when it crossed Mercury's orbit at a distance of 5.8 ´ 107 km from the Sun? (HINT: Assume that the particles are slowed by the Sun's gravitational field as they move away from the Sun and ignore any increase the particles experience from the Earth's gravitational force.)
The diagonal members in the center panels of the truss shown are very slender and can act only in tension; such members are known as counters. Determine the force in member DE and in the counters which are acting under the given loading.
A child playing tee ball hits a stationary 65 g ball with a 200 g bat swinging initially at 4.0 m/s. What's the bat's post-impact speed
a 17.0-n block rests on a horizontal surface. the coefficients of static and kinetic friction between the surface and
A coin with a diameter of 3 cm is dropped onto a horizontal surface. The coin starts out with an initial angular speed of 27.8 rad/s, How far does the coin roll before coming to rest
You illuminate a slit of width 0.0583 mm with light of wavelength 711 nm, What is the width, in centimeters, of the pattern's central maximum
in a single slit diffraction experiment, the width of the slit is 2x10^-5 m and the distance from the slit to the screen is 2 m. what is the linear distance on the screen from the center of the diffraction pattern to the second dark fringe
Consider a spider walking from the top of a (stationary) beach ball. (Let that angular position = 0O.), At what angle does this slipping begin
The cylindrical drum of a copy machine is 30cm long with 5.0cm radius. What is the total charge on the cylinder
A transport plane takes off from a level landing field withtwo gliders in tow, one behind the other. what minimum length of runway is needed
question in the 1950s an experimental train that had a mass of 2.00 104 kg was powered across a level track by a jet
a particle of mass m1 moving with a velocity u makes a head-on elastic collision with a particle of mass 2m initially
Find out the maximum distance d (along the ladder) that the monkey can climb up the ladder before rope breaks.
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