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What is the basic concept of collision in physics? can you please provide me some example which are easy to understand for a non physics student
At one point in space, the electric potential energy of a 10 charge is 34. If a 25 charge were placed at this point, what would its electric potential energy be
a typical co2 laser produces infrared radiation in the range of 9000-11000 nm wavelength in pulses of 5 j and 500 ns
Dermatologists often remove small precancerous skin lesions by freezing them quickly with liquid nitrogen, which has a temperature of 77 K. What is this temperature on the Celsius scale
The biggest asteroid (Asteroid 2005 YU55 400 m wide) to cruise by the Earth in 35 years made its closest approach on Tuesday November 11/08/2011 at 6:28 p.m. (PST). Find the acceleration and speed of the asteroid in its circular orbit
A car travels due east with a speed of 50 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 60 degree with the vertical. Find the velocity o..
two stationary positive point charges charge 1 of magnitude 3.45 nc and charge 2 of magnitude 2.00 nc are separated by
A boy whirls a ball on a string in a horizontal circle of radius 0.8 meter, such that the centripetal acceleration is equal to g. Calculate the frequency of the ball in revolutions per minute
Using a 689-nm wavelength laser, you form the diffraction pattern of a 0.113-mm wide slit on a screen. You measure on the screen that the 14th dark fringe is 8.77 cm away from the center of the central maximum. How far is the screen located from t..
At the beginning of the interval the astronaut is moving toward the right along the x-axis at 15.40, and at the end of interval she is moving toward the right at 5.40.
The owner of a van installs a rear-window lens that has a focal length of -0.340 m. When the owner looks out through the lens at an object located directly behind the van, How far from the van is the object actually located
A cart that is initially at rest moves down a slope that is inclined at 5o above the horizon, What is its final speed at the end of the slope
Determine what is the minimum work needed to push a 1275 kilogram car 290 meter up along a17.5 degree incline
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