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-Write the kinetic, potential and total energy of a baseball having a mass of 0.145kg held at rest 10 meters above the ground.
-The baseball is released. Under the influence of gravity on Earth, it freefalls to the ground. Assuming the air resistance is negligible, write the kinetic, potential and total energy of the baseball at the instant when the baseball hits the earth.
-What is the baseball's final speed when it impacts the ground using the principles of Energy Conservation?
Two circular coils of current-carrying wire have the same magnetic moment. The first coil has a radius of 0.091 m, 120 turns, and carries a current of 3.3 A. The second coil has 170 turns and carries a current of 9.1 A. What is the radius of the seco..
A mass of 7 kg is moving at 7.9 m/s on a horizontal surface with friction. If y = 0 m for gravitational potential energy is the horizontal surface
suppose that before collision slider a ma200g is traveling at 3.6 ms and slider b mb210g is at rest.a what is the total
If the two particles with identical masses m collide with elasticity E = 0.650, determine what are the final velocities of the particles
Take the zero of potential energy to be at ground level. Simplify your results as much as possible.
For the pressure-depth relationship for a fluid (p = ρgh), which of the following is assumed? (Select all that apply.) The pressure decreases with depth pressure dissimilarity depends on the reference point the fluid density is constant the relations..
A capacitor consisting of two concentric spheresof radius R1 and R2 =3.50·R1 has a capacitance of C = 5.00 pico Faradsand is charged to a potential difference of 86.0 Volts. Calculate the energy stored in the capacitor
The electrons in the beam of a television tube have a kinetic energy of 3.26 × 10-15 J. What is the acceleration of an electron due to this field component
A cave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. The lift is performed in three stages, each requiring a vertical distance of 14.0 m
A shot fired with a velocity 100 m/s on a direction making an angle 60 degree with vertical. Calculate the time of flight
A 2.0kg mass swings at the end of a light string (length= 3.0m) Its speed at the lowest point on its circular path is 6.0m/s. what is the kinetic energy at the instant when the string makes an angle of 50 degrees by the vertical?
A 4.53-kg mass attached to the lower end of a spring whose upper end is fixed vibrates with a natural period of 0.45 s.
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