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A parallel-plate capacitor has circular plates of 6.80 cm radius and 1.40 mm separation.
a) Calculate the capacitance.b) What charge will appear on the plates if a potential differenceof 108 V is applied?
A roller coaster cart with a mass of 116 kg is originally moving at 22 m/s at a height of 24 meters above the ground on a frictionless hill , What is the length of the horizontal surface
A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile), What is its average power output in watts and horsepower
A cart of a mass 300 kg is pushed up a track at an angle of44 degrees from the bottom to a position that is 30m higher thanthe bottom in a time of 25 seconds. What is the velocity at the bottom
Determine the least value of n for which there is total internal reflection on the vertical surface.
A 868 kg automobile is sliding on an icy street. It collides with a parked car which has a mass of 663 kg. The two cars lock up and slide together with a speed of 22.9 km/h. What was the speed of the first car just before the collision?
The lens of a slide projector with a focal length of a 120 mm projects a slide onto a screen that is 13 m away. How far from the lens must the slide be placed to form a sharp image on the screen? (in cm)
Legolas shoots an arrow of mass 20 g horizontally into a baleof hay, striking the hay with a velocityof 60 m/s. What is the average stopping force acting on the arrow
A convex spherical mirror, whose focal length has a magnitude of 15.2 cm, is to form an image 10.4 cm behind the mirror. where should the object be placed
What is the target's speed just after the bullet emerges.What is the velocity v of the smaller fish before lunch.
A mass of 0.25 kg is attached to a horizontal spring with a spring constant of 4.0 N/m. Write an expression for the position of the mass as a function of time
A hollow cylindrical tube of 2.5 m long is open at one end and closed at the other end. What is the linear distance between a node and the adjacent antinode for the third harmonic in this pipe?
A 0.269-kg volleyball approaches a player horizontally with a speed of 16.2 m/s. The player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 22.0 m/s. What impulse is delivered to the ball by the..
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