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A pulsed laser emits light in a series of short pulses, each having duration of 24.6 ms. the wavelength of the light is 630 nm and the average power of each pulse is 4.83 mW,. Compute the energy of each pulse.
Two equally charged particles, held 3.4 × 10-3 m apart, are released from rest, what are the mass of the second particle and, the magnitude of the charge of each particle
A heat engine operates as a reversible Carnot cycle transfers 6.0 kW of heat from a reservoir at 1000 K, Calculate the power output of this engine
an electron with a speed of 7.00 108 cms enters an electric field of magnitude 1.00 multiplied by 103 nc traveling
A motorcycle has a constant speed of 28.1 m/s as it passes over the top of a hill whose radius of curvature is 130 m. Find the magnitude of the centripetal force
As part of a safety investigation, two 1800 cars travelling at 18 are crashed into different barriers. Find an average forces exerted on (a) car that hits a line of water barrels and takes 1.80 to stop, and (b) car that hits a concrete barrier and ta..
A car with mass M traveling with speed V has a kinetic energy KE. What is the kinetic energy of a second car that has mass M/2 and travels with speed 2V
Coulomb's Law gives us an expression for the electric field caused by a point charge with magnitude . Suppose we have several point charges. The electric field at a location is the vector sum of point charge contributions.
Two blocks with masses m = 16.7 kg and M = 70.1 kg are not attached. The coefficient of static friction between the blocks is 0.45 but the surface beneath M is frictionless. What is the minimum force F required to hold m against M?
A snowboarder starts from rest and rides 39.47 m down a snow-covered slope that makes an angle of 33.19° with the horizontal, How far will she travel along the flat snow
A ray of light is traveling in a glass cube that is totally immersed in water. What is the refractive index of the glass
A basketball player jumps straight up and then lands 0.49 seconds after leaving the ground. Find the initial velocity of the player
A bottle has a mass of 35.00 g whenempty and 98.49 g when filled withwater. When filled with another fluid, the mass is 88.70 g. What is the specific gravity of this other fluid
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