Find out the light intensity on a wall
A krypton laser produces a cylindrical red laser beam 2.0 in diameter with 2.0 of power. What is the light intensity on a wall 2.5 away from the laser?
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two blocks of mass 3.5 kg and 8 kg are connected by a massless string that passes over a frictionless pulley the incline are frictionless. Find (a) the magnitude of the acceration of each block and (B) the tension in the string.
Compare and Contrast the growth process and the life cycle of plants and animals
If a 0.520 s reaction time is required before the brakes can be applied, what is the distance in meters traveled by the car before it begins to slow down?
At this time, its engines fail and the rocket proceeds to move as a projectile. Find (a) the maximum altitude reached by the rocket, (b) its total time of flight, and (c) its horizontal range
The hunter uses a small powerboat that moves at a maximum speed of 14 km/h with respect to the water. What is the minimum time necessary for crossing?
If the area of the front of the house is 42 m^2, what is the resulting net force exerted by the air on the front of the house?
Describe the process of speciation and include a discussion of mechanisms that maintain reproductive isolation
What is the final equilibrium temperature when 14 g of milk at 16?C is added to 193 g of coffee at 89?C? Assume the specific heats of milk and coffee are the same as that of water, and neglect the specific heat of the container.
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