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A cannon launches a projectile at a speed of 75.3 m/s at an angle of 60.0o above the horizontal. Evaluate how high does it go? Evaluate what is its velocity at this height?
A light plane is headed due south with a speed of 190km/h relative to still air. After 1.00 hour, the pilot notices that they have covered only 137km, What is the wind velocity (magnitude)
You have been called to testify as an expert witness in a trial involving an automobile accident, determine that the coefficient of kinetic friction between the wheels and the pavement at the time of the accident was 0.59
An electrically neutral thin, square metal slab, measuring 6.00cm on a side is placed in a uniform external field that is perpendicular to its square area. What is the total charge on the negative side of the slab
A solenoid coil has a radius of 7.2 cm, a lenght of 31.5 cm, and has a 380 turns of wire. Calculate the field strength inside the coil
A train of mass 1500 metric tons runs along a straight track at 75 km/hr. What is the angular momenum of the train about a point on the track
Lead has a latent heat of fusion of 2.32x104 J/kg, a specific heat of 128 J/(kg K), and a melting point of 228°C. Calculate heat needed to melt the bullet
A hot iron horseshoe (mass = 0.50kg ), just forged, is dropped into 1.50L of water in a 0.30kg iron pot initially at 25.0?C. estimate the initial temperature of the hot horseshoe
A 125 g weight is hung from a spring with a spring constant of 25 N/m. The position of the mass is measured from the equilibrium point. Calculate the maximum energy of the mass
In the amusement park ride known as Magic Mountain Superman, Find the average net force exerted on the car and riders by the magnets
Find out the change in entropy of the system
A proton is confined within an atomic nucleus of diameter 4.0m. Use a one dimensional model to estimate the smallest range of speeds
The sun's intensity at the distance of the earth is 1370 W/m2. 30% of this energy is reflected by water and clouds; 70% is absorbed. What would be the earth's average temperature (in ?C) if the earth had no atmosphere
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