Little Hudson holds the 10-kgkg barbell 0.3 mm above the floor. What is the PE of the barbell relative to the floor? How much additional work will Hudson do when he lifts the barbell to a height 0.9 mm above the floor? If Hudson then drops the barbell, what will be its KE of impact with the floor?

Q: 2. A boy pushes on a pig with a force F = 490 i + 230j N, giving the pig a displacement d = 1.77i+…

A: Given-   Force F=490 i+230 j NDisplacement d=1.77i+1.90j m

Q: Promotional material for the 2020 C8 Chevrolet Corvette boasts a ''490 hp engine" and a "zero to 60…

A: Given data: Initial speed of the car, u=0 Final speed, v=60 mph = 26.82 m/s Mass of the car,…

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: A horizontal force F is applied to move a 6kg carton across the floor. If the carton starts from…

A: Mass of carton (m) = 6 kg Applied force = F Initial speed (u) = 0 mstime (t) = 3 seconds Final speed…

Q: A bag of wheat weight 300 kg .To what height should it be raised so that potential energy is 9600 J?…

A: Given data :        Mass of the bag  =  m         Potential energy   =  P•E         Acceleration due…

Q: The dot product is an operation between two vectors and is a fundamental part of the definition of…

A: The vectors are given as,

Q: In scaling a vertical wall, spiderman needs 3.1 kW of power to maintain a speed of 4.5 m/s. If…

A:

Q: A golfer hit a 40.80 gram golf ball from the fairway giving it an initial velocity of 35.4 m/s.  It…

A:

Q: A 2.0-kg potato has been launched out of a potato cannon at 9.0 m/s. What is the kinetic energy? If…

A: mass, m = 2 kg, velocity, v = 9 m/s , height, h = 4 m

Q: A 450 kg dragster accelerates from rest to a final speed of 120 m/s in 400 m (about a quarter of a…

A: mass of dragster = 450 kg Initial velocity = 0 m/s final velocity = 120 m/s distance moved = 400 m…

Q: if an 80 kg sprinter can accelerate from a standing start to a speed of 10 m/s in 3 s, what average…

A:

Q: A bag of wheat weight 100 kg. To what height should it be raised so that potential energy is 120 J?…

A: Given: The mass of the object is 100 kg. The potential energy of the object is 120 J. The…

Q: Using 1000. J of work, a small object is lifted from the ground floor to the third floor of a tall…

A:

Q: when released from rest, a150 g block slides dewn the path shown below, reaching the bottom with a…

A: Given data *The mass of the block is m = 150 g = 150 × 10-3 kg *The final speed of the block is v =…

Q: I have a motor that is rated for 6000 W. What is the maximum amount of work that the motor can do in…

A: Given data The power of the motor is P = 6000 W The time taken to work is t = 10 s The mass of the…

Q: A 150 kg box is moving with constant speed on a rough surface under the effect of external force (F)…

A: Given data: Mass (m) = 150 kg Box moving with constant speed External force = F Angle (θ) = 30°,…

Q: A mother carries a 15 kg child up the stairs to bed. If the stairs have a vertical height of 3.2 m,…

A: The work done by the gravity on the child can be given as

Q: If I am holding a rock and it weighs 10N, and I carry the rock 10 m to the right, how much work did…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The tension force in the horizontal rope as a function of y is Frf(y)=F1e^−y/y1 where F1=81 N and…

A:

Q: Three objects with masses m1 = 5.2 kg, m2 = 12 kg, and m3 = 18 kg, respectively, are attached by…

A: Given that - Masses m1, m2 and m3 Friction Force Displacement To Find - We have to calculate the…

Q: A car of wheat weight 330 kg . To what height should it be raised so that potential energy is 8860 J…

A: Given value--- mass = 330 kg. potential energy = 8860 J. g = 9.8 m/s2.  We have to find---…

Q: I 2. A75 kg painter climbs a ladder that is 2.75 long leaning against a vertical wall. The ladder…

A:

Q: The figure gives the acceleration of a 6.0 kg particle as an applied force moves it from rest along…

A: The work done by a force 'F' on a particle when it is displaced from x1 to x2 is given by , W =…

Q: A middle school kid is pushing a lawn mower with 46 N of force at an angle 31 degrees below the…

A: Force = F = 46 N Displacement = S = 350 m The diagram is given below:

Q: 11. A ball weighing 20 N is dropped from rest from a height of 8 meters above the ground. Assuming…

A: Total mechanical energy is the sum of kinetic energy and potential energy.

Q: A 0.04-kg ball is thrown from the top of a 30-m tall building (point A) at an unknown angle  above…

A:

Q: A bag of wheat weight 280 kg.To what height should it be raised so that potential energy is 8900 J?…

A: Given data :    Mass of the bag  =  m   Potential energy  =  P•E  Acceleration due to gravity  =…

Q: A baseball of mass 350 g is hit at home plate with a speed of 50 m/s. When it lands in a seat in the…

A:

Q: Lamar Gant, U.S. powerlifting star, became the first man to deadlift five times his own body weight…

A: Given,

Q: An object of mass 4.34 kg starts at the top of a hill of height 2 m. When it rolls down to the…

A: The solution is given below

Q: For exercise, an athlete lifts a barbell that weighs 400 N from the ground to a height of 2.20 m at…

A: In this question we are given that an athlete lifts a barbell that weighs 400 N from the ground to a…

Q: ti=0 w = Ug5 4i =0 m = 13.bkq tp =0,80 s yf=070m yi=60m (assume the barbell is at rest in the…

A: For the first part, W=Ugf Mass of the barbell is m = 13.6 kg Distance of the final height is h =…

Q: While training for breeding season, a 460 gram male squirrel does 29 pushups in a minute, displacing…

A: Given:- While training for breeding season, a 460 gram male squirrel does 29 pushups in a minute…

Q: golfer hit a 40.92 gram golf ball from the fairway giving it an initial velocity of 36.5 m/s.  It…

A:

Q: A force of 200 N displaces a body by 4 m, calculate the work done (in J). A) 40 B) 500 C) 80 D) 800

A: Given Data: The force applied is, F = 200 N. The displacement happened is, s = 4 m. The work is…

Q: A golfer hit a 40.71 gram golf ball from the fairway giving it an initial velocity of 37.3 m/s.  It…

A: Given data:  Mass of golf ball (m)= 40.71 gram = 0.04071 kg Initial velocity (Vi) = 37.3 m/s Final…

Q: The horizontal component of a force acts on a box moving to the right according to the plot shown,…

A:

Q: Spiderman, whose mass is 80.0 kg, is dangling on the free end of a 12.0-m-long rope, the other end…

A: Mas, m = 80 kg  Length of rope, l = 12 m

Q: A 7 kg block is moved up a 25 degree incline by a force of 69 N, parallel to the incline. The…

A:

Q: 7) A1,000[kg] rock is moved from the north end of a parking lot to the south end. The parking lot is…

A: Since, work done(W) is defined as the product of Force(F) and displacement(d).Mathematically:-…

Q: A 4.4 kg box slides on a horizontal frictionless table and collides with a 1.1 kg box initially at…

A:

Q: A bodybuilder lifted a 1000 N weight 20 cm above his head as shown in the figure below. The athlete…

A: Given, weight, mg = 1000 Ndistance above his head, h = 20 cmheight of the bodybuilder, L =180 cmg =…

Q: Consider the figure below: Fapp = 120 N m = 30.0 kg f = 5.00 N d = 0.800 m w N Calculate the total…

A: Given data The force applied is given as Fapp = 120 N. The frictional force is given as f = 5 N.…

Q: An accelerating object of mass m=14 kg is fired with an initial speed v-2 m/s at a starting point.…

A:

Q: What is the average power output of a 55.0 kg woman who does 50 deep knee bends in which her center…

A: The expression for the output power is,

Q: A golfer hit a 44.84 gram golf ball from the fairway giving it an initial velocity of 38.6 m/s.  It…

A: