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- What is vector producer between vector (A) = 2.00 (i) + 3.00 (j) + 1.00 (k) and vector (B) = 1.00 (i) -3.00 (j) - 2.00 (k)?A toy gun uses a spring with a force constant of 300 N/m to propel a 10.0 g steel ball. If the spring is compressed 7.00 cm and friction is negligible, how much force is needed to compress the spring? Group of answer choices 210 mN 21.0 N 2.10 kN 210 kNA light spring with force constant 3.80 N/m is compressed by 7.44 cm as it is held between a 0.259-kg block on the left and a 0.518-kg block on the right, both resting on a horizontal surface. The spring exerts a force on each block, tending to push them apart. The blocks are simultaneously released from rest. Find the acceleration with which each block starts to move, given that the coefficient of kinetic friction ? between each block and the surface is the following. Answer parts a-c.
- 22 - A block with a mass of 0.500 kg is positioned on a slightly vertical spring with a force constant of 2500 N/m. The arc is compressed 0,300 m downwards. When the spring was released, it lifted the block upwards and the block left the spring after a while. What is the maximum height of this block based on the location where the spring was first released? A) 33.44 m B) 11.44 m C) 12.68 m D) 22.96 m E) 15.27 m17-A child with a mass of 20 kg comes off the platform with a vertical velocity of 2 m/s.jumps on the trampoline. The trampoline behaves like a spring with a spring constant of 1600 N/m. Since the height h is 30 cm, the child can compress the trampoline as much as possible. (Take g=10 m/s2)I) 25 cm II) 50 cm III) 75 cm IV) 100 cm V) 125 cm33 - A block with a mass of 0.500 kg is positioned on a slightly vertical spring with a force constant of 2500 N/m. The arc is compressed 0,300 m downwards. When the spring was released, it lifted the block upwards and the block left the spring after a while. What is the maximum height of this block based on the location where the spring was first released? a) 15.27 m B) 22.96 m NS) 11.44m D) 12.68 m TO) 33.44 m
- A light spring with force constant 3.85 N/m is compressed by 8.00 cm as it is held between a 0.250-kg block on the left and a 0.500-kg block on the right, both resting on a horizontal surface. The spring exerts a force on each block, tending to push the blocks apart. The blocks are simultaneously released from rest. Find the acceleration with which each block starts to move, given that the coefficient of kinetic friction between each block and the surface is (a) 0, (b) 0.100, and (c) 0.462.An object with a mass of 1.74 kg is initially at rest upon a horizontal, frictionless surface. An applied force of 4.11 N i acts on the object for 2.64 s. What is the object's final speed? Enter a number rounded to 2 decimal places and assume the answer has proper SI Units.If a force is applied with a magnitude of 200 N at 30 degrees above the horizontal, what are the horizontal and vertical components of this force? Group of answer choices Fa,h= 136.667 N Fa,v= 87.334 N Fa,h= 200 N Fa,v= 200 N Fa,h= 173.2 N Fa,v= 100 N Fa,h= 150 n Fa,v= 50 N
- On a flat, frictionless table, two blocks (B1 of mass 2.00 kg and B2 of mass 3.00 kg) are pressed together against either end of an ideal massless spring. The spring stores 75.0 J of elastic potential energy. The blocks are not attached to the spring. What will the coefficient of restitution be if both blocks are released simultaneously?An ideal spring hangs vertically. When a 453 g object is hung from the bottom end, and lowered gently, the spring stretches 5.58 cm. How much would be the spring have stretched, in cm, if the mass of the object had been 560 g instead? x'=?It requires a force of 100 N to stretch a spring of negligible mass by a distance of 0.1 m. If the spring instead stretches a distance of 0.25 m, how much force was applied to it? 1. 100 N 2. 300 N 3. 200 N 4. 225 N 5. 150 N 6. 325 N 7. 250 N 8. 275 N 9. 175 N