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This time, William Tell is shooting at an apple that hangs on a tree . The apple is a horizontal distance of 20.0m away and at a height of 4.00m above the ground. If the arrow is released from a height of 1.00m above the ground and hits the apple 0.550s later, what is the arrow's initial velocity?
What is the speed of the block of clay right after the collision. What impulse does the clay exert on the block.
A 21 kg block on a horizontal surface is attached to a horizontal spring of spring constant k = 2.3 kN/m, What is the kinetic energy of the block when it has moved 2.0 cm from its point of release
What is the ratio of the amplitude of the damped oscillation
A javelin is thrown at an initial speed of 28.5 m/s at an initial height of 1.93 m above the ground, Find this maximum range
Explain how much waork has been done against gravity when the crate is raised a vertical distance of 2.19 m? The coefficient of friction is 0.316.
A thin metallic spherical shell of radius 41.6 cm has a total charge of 8.05 ?C uniformly distributed on it. At the center of the shell is placed a point charge of 2.83 C. What is the electric field at a distance of 23.9 cm from the center of the ..
A curve of radius 40 m is banked for a design speed of 100 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely create the curve?
A horizontal beam of electrons initially moving at 3.4 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel plates.
Determine the third particle's speed and direction.
An ideal spring with a stiffness of 379N/m is attached to a wall, and its other end is attached to a block that has a mass of 16-kg. The spring/block system is then stretched away from the spring's relaxed position until 59J of mechanical potentia..
What is the stopping distance of the car. What is the initial (horizontal) velocity of the ball.
Air is streaming horizontally past a small airplanes wings such that the speed is 50m/s over the top surface and 30 m/s past the bottom surface. the plane has a mass of 300 kg and a total wing area of 5 m^2(both wings).
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