78,000 Pa 19) A wood block is compressed by 0.10 meters using a horizontal spring with...
In the figure, a 2.6 kg block is accelerated from rest by a
compressed spring of spring constant 660 N/m. The block leaves the
spring at the spring's relaxed length and then travels over a
horizontal floor with a coefficient of kinetic friction
?k = 0.272. The frictional force stops the
block in distance D = 7.9 m. What are (a)
the increase in the thermal energy of the block
In the figure, a 2.6 kg block is accelerated from...
In the figure, a 3.5 kg block is accelerated from rest by a compressed spring of spring constant 640 N/m. The block leaves the spring at the spring's relaxed length and then travels over a horizontal floor with a coefficient of kinetic friction _k-0.25. The frictional force stops the block in distance D-78 m. What is the original compression distance of the spring? Consider 9 - 9.8 m/s -No friction D (4) Select one: 0.25 m 1.2 m 0.78 m...
In the figure, a 4.2 kg block is accelerated from rest by a compressed spring of spring constant 650 N/m. The block leaves the spring at the spring's relaxed length and then travels over a horizontal floor with a coefficient of kinetic friction WK = 0.264. The frictional force stops the block in distance D = 7.8 m. What are (a) the increase in the thermal energy of the block-floor system, (b) the maximum kinetic energy of the block, and...
In the figure below, a 4.0 kg block is accelerated from rest by a compressed spring of spring constant 600 N/m. The block leaves the spring at the spring's relaxed length and then travels over a horizontal floor with a coefficient of kinetic friction uk= 0.30.The frictional force stops the block in the distance of D = 8.0 m. -- No friction a) Find the increase in the thermal energy of the block-floor system b) What is the original compression...
In the figure, a 2.8 kg block is accelerated from rest by a compressed spring of spring constant 650 N/m. The block leaves the spring at the spring's relaxed length and then travels over a horizontal floor with a coefficient of kinetic friction μk = 0.290. The frictional force stops the block in distance D = 7.8 m. What are (a) the increase in the thermal energy of the block–floor system, (b) the maximum kinetic energy of the block, and...
A spring-block system sits on a horizontal, frictionless surface. The spring has a spring constant k =2000N/m. The mass of the block is 14.5 kg. The spring is stretched out a distance of 20.0 cm and released. The block undergoes simple harmonic motion with a phase constant φ=?. a) if the velocity of the block is -2.00 m/s at t= 0.150 s, what is the phase constant? b) determine the acceleration of the block at t = 0.150 s. c) what...
A 1.07 kg block is held in place against the spring by a 31 N horizontal external force. The external force is removed, and the block is projected with a velocity v1 = 1.2 m/s upon separation from the spring. The block descends a ramp and has a velocity v2 = 1.6 m/s at the bottom. The track is frictionless between points A and B. The block enters a rough section at B extending to E. The coefficient of kinetic...
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 53.7 ) and a maximum displacement from equilibrium of 0.200 m. (a) What is the spring constant? N/m (b) What is the kinetic energy of the system at the equilibrium point? (c) If the maximum speed of the block is 3.45 m/s, what is its mass? | kg (d) What is the speed of the block when its displacement is 0.160 m? m/s...
(11) A block, attached to a spring, executes simple harmonic motion described by the position expression: x-20 m cos(10t), where x is in meters and t is in seconds. If the spring constant is 1,000 N/m what is the mass of this block: (A) 100 kg (B) 2.5 kg (C) 10 kg (D) 390 kg (E) 109 kg
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 40.8 J and a maximum displacement from equilibrium of 0.261 m. (a) What is the spring constant? N/m (b) What is the kinetic energy of the system at the equilibrium point? J (c) If the maximum speed of the block is 3.45 m/s, what is its mass? kg (d) What is the speed of the block when its displacement is 0.160 m? m/s...