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An electron with an initial speed of 660,000 m/s is brought to rest by an electric field.
1. What was the potential dissimilarity that stopped the electron?
2. What was the initial kinetic energy of the electron, in electron volts?
Suppose you have a spring-loaded projectile launcher. Aim it straight upwards, compress the spring 1 cm, then launch a projectile from rest. You find that it rises 20 cm above the end of the spring.
A copper rod of cross-sectional area 12.2 cm2 has one end immersed in boiling water and the other in an ice-water mixture, which is thermally well insulated except for its contact by the copper.
From the top of a cliff 80 meters high, a ball of mass 0.4 kilogram is launched horizontally with a velocity of 30 meters per second at time t=0. The potential energy of the ball is zero at the bottom of the cliff. Use g=0 meters per second square..
A tarantula is sitting 4.5 m in front of the concave spherical mirror by radius of R=1.4m. Construct a ray diagram to scale showing the object, image and the mirror. Decide graphically the characteristics of the image.
An object of mass "m" is thrown up an inclined plane of angle "theta" with an initial velocity "v knot". If the motion is resisted by retarding force Fr=-kv (where k is a force coefficient and v the velocity of the object.)
What is the speed of the large cart after the impact.
high-frequency sound waves exhibit less diffraction than low-frequency sound waves do. Determine the angle that locates the first minimum to either side of the central maximum in the diffraction pattern for the sound
Consider a sample of diatomic ideal gas which is taken through the following cycle: A constant pressure process that doubles the volume of the gas, What is the efficiency of this cycle
a particle is to move in an xy plane clockwise around the origin as seen from the positive side of the z axis. in
A 2000 kg vehicle is slowed down uniformly from 15.0 m/s to 6.00 m/s in5.60 second. Determine how far did the car travel during that time
A student throws a baseball at a large gong 76 m away and hears the sound of the gong 1.95758 s later. What was the average speed of the base- ball on its way to the gong
In a women's 100-m race, accelerating uniformly, Laura takes 1.87 s and Healan 3.12 s to attain their maximum speeds, find the maximum distance by which Healan is behind Laura
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