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In the figure, a 4.0 kg block slides along a track from one level to a higher level after passing through an intermediate valley. The track is frictionless until the block reaches the higher level. There a frictional force stops the block in a distance d. The block's initial speed is v0 = 6.5 m/s, the height difference is h = 1.0 m, and ?k = 0.559. Find d.
Your physics TA has a far point of 0.711 m from her eyes and is able to see distant objects in focus when wearing glasses with a refractive power of ?1.47 D. Determine the distance between her glasses and eyes
An object with a mass of 5.10 kg is attached to the free end of the lightstring wrapped around a reel radius R=0.25 m and mass 3kg the reel is a solid disk, free to rotate in a vertical plane about the horizontal axis paasing through its center th..
q1. after a tornado a 0.60 straw was found embedded 2.7 into the trunk of a tree. if the average force exerted on the
A disc has a radius of 2.20 cm and a mass of 27.0 grams and is initially at rest. Starting at time t=0, two forces are applied tangentially to the rim as indicated, calc the moment of inertia of the uniform disc
A ball rolling down an incline travels 6.0m in the first 0.25 seconds, and 24m in the first 0.50 seconds. What is the average speed for the first time interval
On the planet Newtonia, a simple pendulum having a bob with a mass of 1.33kg and a length of 186.2cm takes 1.45s , when released from rest, What is the mass of the planet Newtonia
The two masses in the Atwood's machine shown in the figure have an initial speed of = 0.20 , and is moving upward. How high does rise above its initial position
A football player carrying the ball runs straight ahead at the line of scrimmage and directly into a wall of defensive linemen. Find the magnitude and direction of his average acceleration
An elevator has mass 540 kg , not including passengers. What is the maximum number of passengers that can ride in the elevator
The image of a very distant car is located 25 cm behind a convex mirror. What is the radius of curvature of the mirror
Two small spheres have a mass 9.0g and having an electric charge q are suspended by a length of 32cm. Find Electrical Charge in C, Conducting rod 21.0 cm bent into semicircle. Linear density -5.20 * 10^-8 C/m. Find Electrical Potenial at the center..
What is the minimum cross-sectional area required of a vertical steel cable from which is suspended a 270 kg chandelier, If the cable is 7.5 m long how much does it elongate
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