In the pitching motion, a baseball pitcher exerted an average horizontal force of 80 N against the 0.15 kg baseball while moving it through a horizontal displacement of 2.2 m before he released it. How much work did the pitcher do to the baseball as a result of this force? If the baseball’s velocity at the start of the pitching action was zero, how fast was the ball moving at the instant of release?

Q: On an essentially frictionless, horizontal ice rink, a skater moving at 6.0 m/sm/s encounters a…

A: Given initial speed= 6m/s Final speed = 2.88m/s Friction force = 0.22Mg = 2.2M Change in kinetic…

Q: When a 0.0598-kg golf ball takes off after being hit, its speed is 32.5 m/s. (a) How much work is…

A: Given dataMass of the ball m=0.0598kgspeed of the ball v=32.5 m/s

Q: The 50-kg crate is at rest when a force P of 400 N acts on it as shown. Using the work and energy…

A:

Q: A hockey puck of mass 0.25 kg is sliding along a slippery lake with an initial speed of 60 m/s. the…

A: Given that Mass m = 0.25 kg Initial speed u = 60 m/s Coefficient of friction μ = 0.030 Final speed V…

Q: which of the following is  negative work being done?   Question 10 options:   A man pushes with a…

A: Correct option is (c) An object is pushed with a force of 25 N when the frictional force is a…

Q: An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total mass…

A: Given: Total mass of sled and salmon = 50 kg Force exerts by Eskimo, F = 1200 N Displacement, S = 5…

Q: A 68 kg bicyclist rides his 8.5 kg bicycle with a speed of 14.7 m/s. (a) How much work must be done…

A: a) The total mass of the system is M=m+m'=68.5kg+8.5kg=76.5kg Using work-kinetic energy theorem, the…

Q: A cord is used to vertically lower an initially stationary block of mass M = 20 kg at a constant…

A: mass, m  = 20 kg  downward acceleration, a = g/4  distance, d = 1.5 m

Q: cargo of 2 Kg on a frictionless ramp is connected (by a cord that runs over a pulley) to a spring of…

A: In the given question, Mass of cargo (m) = 2 kg spring constant (k) = 120N/m The angle of…

Q: forces act, one of which is known to be constant in time:  F1 = (5 N)î + (7 N)ĵ.  As a result, the…

A: Work done by the force is given as  W = F.r r = displacement vector

Q: A 3.5 kg particle starts from rest at x = 0 and has a net force given by Fx(x) = 6.0 +4.0x - 3.0x²…

A:

Q: If A 29-kg child starts from rest and slides down a slide that is 2.6 m high. At the bottom of the…

A: Given parameters :  Mass "m"= 29kg  Height "h"= 2.6m  Final Velocity "v"= 2.5m/s .   Concept :…

Q: An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and…

A: We are given mass of asteroid. We are also given initial and final speed of asteroid. We first find…

Q: During the pitching motion, Clayton Kershaw exerted an average horizontal force of 60 N against the…

A: The horizontal force applied to baseball                                F = 60 N Mass of baseball…

Q: A 156 gram ice hockey puck slows down from 45.0 m/s to 44.5 m/s as it slides 17.5 m across the…

A:

Q: A dock worker pushes a m = 3.60 kg crate a distance d = 6.60 m along the floor by a constant force…

A:

Q: A dock worker pushes a m = 2.20 kg block a distance d = 3.60 m along the floor by a constant force…

A: The mass of the block is, m=2.20 kg   The block is moved at a distance of d is, d=3.60 m   The…

Q: Spiderman, whose mass is 74.0 kg, is dangling on the free end of a 12.2-m-long rope, the other end…

A: The work done by the gravitational force on the spider man in this maneuver is Wg=mg∆h=mgl-lcosθ…

Q: A sled of mass 70 kg starts from rest and slides down a 10° incline 80 m long. It then travels for…

A: Given that-Mass of the sled, m= 70 kgLength of the plane, L= 80 mAngle of inclination of the plane…

Q: A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2. 14 m above…

A:

Q: A 1260-kg car starts from rest at the bottom of a driveway and has a speed of 3.00 m/s at a point…

A: given -          mass of car = 1260 kg          initial velocity of car = 0 m/s          velocity of…

Q: block with mass m = 2500 gram slides towards a spring with spring constant k = 320 N/m. When the…

A:

Q: QUESTION 3 Procopio is driving a car (m = 1000 kg) at v1 = 11.11 m/s when he stepped on the brakes.…

A: Given: The mass of the car is m = 1000 kg, The velocity of the car is v1 = 11.11 m/s, The car…

Q: An object with mass 5.5 kg is sliding to the right while a roughly constant force of magnitude 16…

A:

Q: A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional…

A: Write the given values with the suitable variables. m=78 kgh=11.4 mu=0 m/sWf=-6×103 J Here, m, h, u,…

Q: Spiderman, whose mass is 78.0 kg, is dangling on the free end of a 12.4-m-long rope, the other end…

A:

Q: A 85.5-kg person rides an elevator up one level, going up a total distance of 3.02 m. How much…

A:

Q: A worker pushes a wood crate of mass 14 kg across a rough concrete floor with a constant horizontal…

A:

Q: 8.0-kg block is

A: 63.97 J

Q: A child drops a baseball from a treehouse. The ball is at rest just before the child drops it, and…

A: Given: The initial velocity of the object is zero. The final velocity of the object is zero.…

Q: A dock worker pushes a m = 3.20 kg block a distance d = 2.00 m along the floor by a constant force…

A: The objective of this question is to calculate the work done on a block by different forces. The…

Q: The driver of a 1750 kg car, initially traveling at 10.6 m/s applies the brakes, bringing the car to…

A:

Q: The tree topper is accidentally knocked off of a Christmas tree giving it an initial speed of 15…

A: In  this question, mass of the ornament is not given. Therefore, the speed of the ornament is…

Q: An object of mass 5.00 kg is subject to a force Fx that varies with the position as in the figure…

A: