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In a typical lightning flash, the potential difference between the cloud and the ground is 10^9V and the charge transferred is 30 C. Suppose the decrease in energy of the transferred charge is used to accelerate a 1000kg car from rest. Calculate the final speed of the car.
A jet flying faster than the speed of sound creates a shock cone of high pressure air. The angle of the shock cone depends on the speed at which the jet is flying. What will be the angle of the shock cone
Your spaceship lands on an unknown planet. To determine the characteristics of this planet, you drop a 1.20 kg wrench from 3.00 mm above the ground, Express the planet's mass in terms of the earth's mass
A convex lense of focal length 18 cm is used as a magnifying glass. at what distance from a tiny insect must you hold this lense to get a magnification of 3.
A narrow beam of light with wavelengths from 450 nm to 700 nm is incident perpendicular to one face of a 40.00 degreee prism made of crown glass
An electric field of 8.55x10^5 V/m is desired between two parallel plates, each of area 35.00 cm^2 and separated by 2.45mm of air. What charge should be on each plate.
The coefficients of static and kinetic frictions for plastic on wood are 0.50 and 0.40, respectively. How much horizontal force would you require to apply to a 3.0 N plastic calculator to start it moving from rest.
The coefficient of kinetic friction between the block and incline is = 0.45. The mass of the spring is negligible.
Conservation of energy tells us that energy cannot be created or destroyed. Clearly, energy is required for radioactivity to occur. Where is this energy coming from?
A race car accelerates uniformly from a speed of 39.0 m/s to a speed of 64.0 m/s in 5.00 s while traveling clockwise around a circular track of radius 4.40 102 m. Find the magnitude of the total acceleration when the speed is 40.0 m/s
A car in a roller coaster moves along a track that consists of a sequence of ups and downs, Derive a general expression for the speed v of the car
What are some applications for fiber optics and What are some of the various types of information that can be transmitted
The largest stable nucleus has a nucleon number of 209, and the smallest has a nucleon number of 1. what is the ratio (largest/smallest) of the surface areas of these spheres
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