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Problem: A cannonball of mass 7.23 kg is shot from cannon at an angle of 49.01° relative to the horizontal and with an initial speed of 53.81 m/s. As the cannonball reaches the highest point of its trajectory,
Part I: What is the gain in its potential energy relative to the point from which it was shot?
I want help to find the gain in its potential energy relative to the point from which it was shot.
Light from a sodium vapor lamp passes through a filter that blocks all but a single narrow wavelength band. It then fallson two slits separated by 0.460mm. The resulting interferencepattern on a screen 2.20 meters away has adjacent bright fringes ..
a golfer tees off on level ground giving the ball an initial speed of 37.5 ms and an initial direction of 40.5deg above
A positive and a negative particles enter magnetic field at the same angle and with the same velocity. How different would be the path of each particle
A grocery cart with mass of 16 kilogram is pushed at a fix speed along an aisle by a force of 12 Newton. Obtain the work done by the person on the cart if the aisle is 15 meter long
Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. What is her height above the river at her lowest point
Two horses leave the starting the beginning of a 2000 m long race. which horse wins the race
drops of rain fall perpendicular to the roof of a parked car during a rainstorm. the drops strike the roof with a speed
A worker on top of a radar tower 22.4 ft high drops a wrench off the tower. What is the speed of the wrench when it hits the ground
Find what minimum horsepower must a motor have to be able to drag a 350 kilogram block up a 15o ramp at a speed of 1.50 m/s if the coefficient of kinetic friction is 0.25
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the spontaneous emission wavelength
A farsighted woman has a near point of 72.0 cm. What power eyeglasses held 2.00 cm from the eyes will allow her to see objects 25.0 cm away from the eyes
What compression ratio Vmax/Vmin will raise the air temperature from 19.0oC to 1030oC in an adiabatic process? What pressure ratio pmax/pmin does this process have
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