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A ball thrown in the x-direction at 4.5m/s from a tower that is 20m tall. Calculate the speed of the ball when it hits the ground. Also, determine the distance the ball lands from the tower.
What is the Kinetic Energy of the sphere when it is 4.70cm from the line of charge if the only force on it is the force exerted by the line of charge
Water flows steadily from an open tank. The elevation ofpoint 1 is 10.0m and the elevation of points 2 and 3 is2.00m. find the discharge rate in cubic meters per second
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. Determine how long is the arm of the centrifuge
q1. a series r-l-c circuit of r 200 ohms l 0.900 h and c 2.00 uf carries an rms current of 0.250 a with the
A long solid cylindrical wire of radius 0.01 meters carries a current whose density (current per unit area) is given by J=0.02r^2.
The graph shows how the force component F cos along the displacement varies with the magnitude s of the displacement. Find the work done by theforce. (Hint: Recall how the area of a triangle is related tothe triangle's base and height.)
If the gas pressure and volume both double, what's the change in internal energy, find the internal energy of 1mol of oxygen at 291K and 1.0 atm
A tire placed on a balancing machine in a service station startsfrom rest and turns through 5.5 revs in1.2 s before reaching its final angularspeed. calculate the wheel's angular acceleration
A 910 kg sports car collides into the rear end of a 2200 kg SUV stopped at a red light. calculates the speed of the sports car at impact
You have a 1.8m long copper wire. You want to make an N-turn current loop that generates a 2.0mT magnetic field at the center when the current is 1.3A. What will be the diameter of your coil
A single loop of area 0.183 m2 is placed perpendicular to a magnetic field of 0.304 T. What is the angular speed of the loop
A laser beam passes during a slit of width1.0 cm and is pointed at the Moon, which is approximately380,000 {\rm km} from the Earth. Suppose the laser emits waves of wavelength 630 {\rm nm} (the red light of a He-Ne laser).
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