Starting from rest, a ball of mass 4 kg experiences a constant force of 24 N...
Starting from rest, a ball of mass 4 kg experiences a constant force of 24 N for 10 s. What is the final kinetic energy (in J) of the ball after 10 s?
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Starting from rest, a ball of mass 4 kg experiences a constant
force of 24 N...
Starting from rest, a ball of mass 3 kg experiences a constant force of 6 N...
Starting from rest, a ball of mass 3 kg experiences a constant force of 6 N for 10 s. What is the final kinetic energy (in J) of the ball after 10 s?
A billiard ball of mass 0.15 kg is uniformly accelerated from rest and travels 85.75 cm...
A billiard ball of mass 0.15 kg is uniformly accelerated from rest and travels 85.75 cm in 0.7 s. What is its final kinetic energy (in J) after 0.7 s? (please do not round your answer)
A billiard ball of mass 0.18 kg is uniformly accelerated from rest and travels 72 cm...
A billiard ball of mass 0.18 kg is uniformly accelerated from rest and travels 72 cm in 0.6 s. What is its final kinetic energy (in J) after 0.6 s? (please do not round your answer)
A ball of mass 1 kg is uniformly accelerated from rest and travels 12 m in...
A ball of mass 1 kg is uniformly accelerated from rest and travels 12 m in 2 s. What is its final kinetic energy (in J) after 2 s? A: 72.0 B: 84.2 C: 98.6 D: 115 E: 135
Starting from rest, a 3.2-kg box is pushed on a horizontal floor with a force of...
Starting from rest, a 3.2-kg box is pushed on a horizontal floor with a force of 482.6 N parallel to the floor. The coefficient of kinetic friction between the box and the floor is 0.5. What is the kinetic energy of the box after it has been pushed with the constant force of 5.8 meters?
An object of mass 7.5 kg is attached to a spring constant 2.5 N/m. Starting from...
An object of mass 7.5 kg is attached to a spring constant 2.5 N/m. Starting from its maximum displacement at rest, the object undergoes simple harmonic oscillations of amplitude 53 cm. after 4.5 s have passed, determine: A) the objects position x=-0.45 m B) the objects velocity v= -0.16 m/s C) the objects acceleration a= 0.15 m/s2 D) the objects kinetic energy K= 0.095 J E) the potential energy store in the spring U=0.26J F) the total energy in the...
__PRESENT D. A fireman of mass 80 kg is sliding down a firepole starting from rest....
__PRESENT
D. A fireman of mass 80 kg is sliding down a firepole starting from rest. When he reaches the bottom, 4.2 m below his starting point, his speed is 2.2 m/s. How much work is done by friction? E. A 150 g ball rolls at 10 cm/s rightward over a frictionless surface towards a spring 75 cm away, with spring constant 200 N/m. How far does is the spring compressed when the ball is brought to rest? F. A...
A 24.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. For the first...
A 24.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. For the first 11.0 m the floor is frictionless, and for the next 10.0 m the coefficient of friction is 0.20. What is the final speed of the crate after being pulled these 21.0 m ?
A 46.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. For th...
A 46.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. For the first 11.0 m the floor is frictionless, and for the next 10.0 m the coefficient of friction is 0.20. What is the final speed of the crate after being pulled these 21.0 m?
A billiard ball of mass 0.15 kg is uniformly accelerated from rest and travels 85.75 cm in 0.7 s. What is its final kinetic energy (in J) after 0.7 s? (please do not round your answer)
A ball of mass 1 kg is uniformly accelerated from rest and travels 12 m in 2 s. What is its final kinetic energy (in J) after 2 s? A: 72.0 B: 84.2 C: 98.6 D: 115 E: 135
__PRESENT
D. A fireman of mass 80 kg is sliding down a firepole starting from rest. When he reaches the bottom, 4.2 m below his starting point, his speed is 2.2 m/s. How much work is done by friction? E. A 150 g ball rolls at 10 cm/s rightward over a frictionless surface towards a spring 75 cm away, with spring constant 200 N/m. How far does is the spring compressed when the ball is brought to rest? F. A...
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