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A spring with k = 59 N/m hangs vertically next to a ruler. The end of the spring is next to the 14 centimeter mark on the ruler.
If a 3.0 kilogram mass is now attached to the end of the spring, find where will the end of the spring line up with the ruler marks?
a parallel-plate air capacitor is made from two plates 0.300 square spaced 0.800 apart. it is connected to a 120
A child throws a stone from the top of a 15 m cliff with a speed of 20 m/s. find its kinetic energy and speed when it lands on the ground
a car decelerates uniformly and comes to a stop after 10 s. the cars average velocity during deceleration was 50 kmh.
Two balls are approaching each other head-on. Their velocities are +9.00 and-12.1 m/s. Determine the velocity of the center of mass of the two balls for the following conditions. (Use the sign of your answer toindicate the direction.)
The average density of the planet Jupiter is 1327 kg/m3. The acceleration of gravity on its surface is 25.94 m/s2. Calculate the average radius of Jupiter
Review Conceptual Example 2 as an aid in solving this problem. An object is attached to the lower end of a 100-coil spring that is hanging fromthe ceiling. The spring stretches by 0.172 m. The spring is thencut into two identical springs of 50 coi..
What is the final speed of the crate after being pulled. On a very muddy football field, a 100 linebacker tackles an 80 halfback. Immediately before the collision, linebacker is slipping with a velocity of 8.5 north and the halfback is sliding with..
What will be the equilibrium temperature when a 266 g block of copper at 301°C is placed in a 158g aluminium calorimeter cup containing 814g of water at 12.9°C?
A roller coaster track has a hill with a circular curve of radius r =15 m. What is the normal force on the 60-kg passenger
An 19 ohm resistance is connected across a battery of emf 8 V with an internal resistance 1 ohm. Find the terminal voltage of the battery
A spaceship of mass 2.3×106 is cruising at a speed of 5.6×106 when the antimatter reactor fails, blowing the ship into three pieces. One section, what is the direction of the third piece
It explodes on a mountainside 36.0 s after firing. Illustrate what are the x and y components of the shell where it explodes, relative to its firing point?
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