Each of the boxes shown below is pulled for 15 m across a level, frictionless floor by the force given. Rank the change in the kinetic energy each box experiences. 1ON ISN SON 20N 12N 20kg 0.50 kg 30kg 030 kg D.

Q: Javier moved the 15 kg dumbbell from a rackI.I m above the floor to the weight bench 0.65 m above…

A: The mass of the dumbbell, m=15 kg   The vertical distance, ∆h=1.1 m-0.65 m=0.45 m   The acceleration…

Q: You want to drop a ball of weight 10.0 N into free fall from rest from a certain height above the…

A: The weight of the ball,

Q: uOWhhill. Find the skiers speed C: 19.8 D: 10.2 4: Given a kid is pulling a (5 pound) box along the…

A: Solution- Applying constant force by the kid F=98 N at an angle 30 degree. distance d=20 m

Q: A 1270-kg1270-kg car moves at 23.0 m/s.23.0 m/s. How much work ?netWnet must be done on the car to…

A: the change in kinetic energy of the given system is ∆KE=12mvf2-vi2=12mvf2-vi2=121270 kg31 m/s2-23…

Q: A sled dog can accelerate a 250 kg sled from 0 m/s to 8.5 m/s in 8 s. (8 Points) a. How far will the…

A: (a) Sleg dog has traveled Xf= 34 m in that time. (b) work done W= 9031.25 Joules

Q: A worker pushes a sled with a force of 50 N over a level distance of 10.0 m. If a frictional force…

A: Concept of Net work done on an object moving on frictional surface: A frictional surface causes an…

Q: A car of mass 1,000 kg moves with a speed of 5.00 m/s. If the car triples its speed to 15.0 m/s then…

A:

Q: A 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The…

A: To solve the problem we will use work-energy theorem. Given Data Mass of the cabinet is m=65.0 kg…

Q: A gunfighter in a western movie fired a 3.0-gram bullet at 400m/s towards a hanging wooden sign that…

A: The objective of this question is to find out the work done by the sign in slowing the bullet and…

Q: A constant force with a magnitude Facts on an object while the object moves along a straight path a…

A:

Q: 20.0 kg child is on a swing that hangs from 3.00-m-long chains, as shown in the figure What is her…

A:

Q: What kinetic energy would be calculated if the cart had carried 8kg and had been released from a…

A:

Q: A mother does 220 J of work while pulling her child back on a frictionless swing, whose chain is 4.7…

A: Correct Answer: The mass of the child is 26.4 kg. Note: Please recheck your given option as all the…

Q: An athlete jumps vertically on a trampoline leaving the surface with a speed of 8.5 m/s upwards.…

A: Given data: Speed u = 8.5 m/s

Q: The kinetic energy of a car is 1.0 x 10^5 J. Calculate its kinetic energy if the car’s speed is a.…

A:

Q: A child sets a 2.5 kg block in motion by giving it a push along a floor. This gives the block a…

A: Given: The mass of the block is m=2.5 kg The initial velocity of the block is u=0 m/s The final…

Q: An 8.0-g bullet has a speed of 730 m/s. a. What is its kinetic energy? KE = J b. What is its kinetic…

A: Given data:  Mass (m) = 8.0 g = 8.0×10-3 kg Speed (v) = 730 m/s Required: The kinetic energy (KE)

Q: A 5.0-kg rock falls off of a 10 m cliff. If air resistance exerts a force of 10 N, what is the…

A: mass, m = 5 kg  height, h = 10 m resistive force, f = 10 N  initial velocity, u = 0 m/s

Q: Don't use chat gpt It Chatgpt means downvote

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: