Suppose a 425 g kookaburra (a large kingfisher bird) picks up a 70 g snake and raises it 2.1 m from the ground to a branch. (a) How much work (in J) did the bird do on the snake? Answer:_______________ J (b) How much work (in J) did it do to raise its own center of mass to the branch? Answer:_______________ J

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: 3. top of a surface inclined at 50.0° with height of 10.0 [m], as shown in the figure. The…

A:

Q: Two football players are in a competition to see who can pull a 150.0 kg container over the entire…

A: Introduction: According to Newton's 1st law of motion, at equilibrium, total force acting on the…

Q: An accelerating object of mass m=20 kg is fired with an initial speed v;=10 m/s at a starting point.…

A:

Q: An accelerating object of mass m-18 kg is fired with an initial speed v-7 m/s at a starting point.…

A: Given: The mass of the object is 18 kg. The initial velocity of the object is 7 m/s. The final…

Q: If a 50 kg object initially at rest is displaced 25 m by a constant net force of 600 N in the…

A: Work done is equal to change in kinetic energy of the body . Work done = (Force)*(displacement)…

Q: An accelerating object of mass m=2 kg is fired with an initial speed v=8 m/s at a starting point. If…

A: Given data: Mass m =2 kg Velocity v=8 m/s2. Final Kinetic energy =268 J

Q: A mover pushes a box of mass m = 56.0 kg along a horizontal floor a distance d = 2.50 m. The…

A:

Q: How much work (in J) is done by gravity when dead lifting a 100.0 kg barbell 93.26 cm from the floor…

A:

Q: A 1000 kg car moves with a speed of 20 m/s. Suddenly the driver speeds up to 30 m/s, what is the…

A:

Q: A 1000 kg car moves with a speed of 20 m/s. Suddenly the driver speeds up to 30 m/s, what is the…

A:

Q: Q12: A time-dependent force F = 6t acts on a particle of mass 1 kg. If the particle starts from…

A:

Q: A force →F=(1.50N)ˆi+(1.10N)ˆj+(8.00N)ˆk acts on a 3.40 kg mobile object that moves from an initial…

A:

Q: An accelerating object of mass m=18 kg is fired with an initial speed v=9 m/s at a starting point.…

A:

Q: Ahmed carrying a weight of 50 N walks a distance of 2m as shown in figure. The work done by him is…

A:

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: Bruce Springsteen is leaving the United States.  He applies a constant force of 20 N to his suitcase…

A: Given: The applied force is 20 N 25o above the horizontal. The mass of the suitcase is 8 kg. The…

Q: 1) A tugboat pushes a cruise ship with a force moving the ship along straight ?=1.20?+2.30???,path…

A:

Q: If 30,000 J of work is done on a 2400 kg box that started from rest, what is the final velocity of…

A:

Q: A top fuel dragster with a mass of 600.0 kg starts from rest and completes a quarter mile (402 m)…

A: Given: mass of top fuel dragster, m = 600 kg Initial speed, u = 0 (starting from the rest) Final…

Q: A cart of mass 8.00 kg was moved by applying two constant forces. Force 1 is 28.0 N at 42.0°, and…

A: The position of the cart is:                          The equation for the angle of the position…

Q: 13.) A 350 lb force (lbf) acts on a block at an angle of 150 with the  What is the work done by this…

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

Q: The figure here shows an overhead view of three horizontal forces acting on a cargo canister that…

A:

Q: An accelerating object of mass m=17 kg is fired with an initial speed v-8 m/s at a starting point.…

A:

Q: 1.A force of 5i -j+ 2k N displaced a body from a position of i + j+km to 2i-4j+6km. How much work is…

A: 1) F→=5i^+j^+2k^displacement vector iss→=(2-1)i^+(4-1)j^+(6-1)k^s→=i^+3j^+5k^ Calculate work done.…

Q: A cable lifts a 1200-kg elevator at a constant velocity for a distance of 35 m. What is the work…

A:

Q: Using the work and energy relations, solve for the constant force "P" required for a system…

A: The work energy theorem states that the work done by the system of forces is equal to the change in…

Q: A 5.0-kg block that initially has a speed of 6.0 m/s is moving in a straight line on a level surface…

A: Concept Work done by all forces is equal to change in kinetic energy Since only frictional force is…

Q: John stands on a bridge and throws a stone vertically off of it with an initial speed of 10 m/s. The…

A: Case-1 (when ball is thrown vertically off):- u= 10 m/s.    (Initial velocity) Lets say height of…

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: An accelerating object of mass m=12 kg is fired with an initial speed v;-5 m/s at a starting point.…

A: Given: The mass of the body is 12 kg. The initial velocity of the object is 5 m/s. The final kinetic…

Q: A 2.80-kg object has a velocity (6.20 î - 2.40 ĵ) m/s. (Note: From the definition of the dot…

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: On a frozen pond, a 8.54-kg sled is given a kick that imparts to it an initial speed of…

A:

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

A:

Q: A contestant in a winter sporting event pulles a 45.0-kg block of ice across a frozen lake with a…

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: 7. A car engine exerts a driving force of 12 000 N. The work done by the car in traveling a distance…

A: Solution of question 7   The driving force, F = 12000 N The car traveling distance, d = 500 m   The…

Q: 1. A man carries a load of 500 N to a distance of 100 m. The work done by him is B. 50,000 Nm C.0 D.…

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

Q: A horizontal force of 200 N is applied to a 55-kg cart across a 10-m level surface. If the cart…

A:

Q: For the three cases shown below, assuming the displacement is 4.0 m to the right. Match the answers…

A:

Q: How far must a 50N force need to push an object to do 10 J of work? A) 0.2m B) 5m C) 40m D) 60m

A:

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: The system in the figure is released from rest. The coefficient of kinetic friction between block A…

A:

Q: Ignoring friction, use the ideas of energy conservation to find the distance the cart will travel…

A: Given: mass of the object, m = 500 g = 0.5 kg initial speed of the object, u = 3.676 m/s angle of…

Q: An accelerating object of mass m=4 kg is fired with an initial speed v=3 m/s at a starting point. If…

A: Initial velocity, u =3 m/s Mass, m = 4 kg Final Kinetic energy, K.E.2=380 J