3: A dragster accelerates from rest down a street of length d = 400.0 m. In the absence of any friction the dragster has a constant acceleration of a = 28.1 m/s² in the direction of motion, and its mass is m = 1095 kg. Assume the dragster is moving in the positive horizontal direction.

Q: Below is a side-view picture, where a box is brought up to a height at point A and moves a distance…

A: The gravity’s work done on the box can be given by the work-energy theorem as, Here, U represents…

Q: A crane lifts a 650-kg beam vertically upward 23.0 m and then swings it horizontally a distance of…

A: Given: The mass of the beam is 650 kg. The vertical displacement of the beam is 23 m. The horizontal…

Q: Suppose that F is applied on an object to move it a distance s. Further suppose that F is measure in…

A: We need to find work done .

Q: A skeir of mass 115 kg travels down a ski trail. Suppose the ski trail is not frictionless.  a) if…

A:

Q: Starting from rest, a block of mass m slides a distance d down a rough incline at an angle p. The…

A:

Q: Consider a block on a level track attached to a mass hanging from a pulley. If the track is not…

A: The work done by the friction on the moving block along the track is, Wf=Ffd=μNd=μm1gd

Q: When released from a height ofh3= 14.00 m, a 344.00 g block slides down the path shown below,…

A: given , height , h = 14.00 m mass of the block , m = 344 .00 g =0.344 Kg final speed , v = 11.00 m/s…

Q: A weight W is accelerated from rest by a constant force, G, through a distance d across the…

A:

Q: A crate of mass M starts from rest at the top of a frictionless ramp inclined at an angle of ? above…

A:

Q: person pulls a bucket of water up from a well with a rope. Assume the initial and final speeds of…

A: Introduction: Work is the product of the component of the force in the direction of the displacement…

Q: figure. Rank the cases from most positive to most negative based on the work done by the force? *…

A:

Q: A flight attendant pulls her 64.2 N flight bag a distance of 333 m along a level airport floor at a…

A: Here, we calculate  work, force of friction, and coefficient  of Kinetic  friction  given as follow;

Q: Ik thẻ figure below, a horizontal force F a of magnitude 24.0 N is applied to a 2.57 kg psychology…

A:

Q: A 1622 kg car has a speed of 11 m/s when it hits a tree. The tree doesn’t move and the car comes to…

A: The kinetic energy of the car before the collision is given as, The kinetic energy of the car after…

Q: A 82.5-kg man pushes a crate 4.5 m up along a ramp that makes an angle of 19.5° with the horizontal.…

A: The objective of the question is to calculate the work done by the man to move the crate and himself…

Q: A 140-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 16.4°…

A:

Q: An airline flight attendant rolls a suitcase through the airport lobby, as shown in the figure. If…

A: Write the expression for the work done. W=F→⋅d→W=Fdcosθ

Q: A6 kg block is placed on a rough surface inclined relative to the horizontal as shown in Figure. The…

A:

Q: Which of the following statements are true? Select all correct.   options:   Only conservative…

A: Statment (a) is incorrect .Conservation of energy and work energy theorem can be used for both…

Q: A collie drags its bed box across a floor by applying a horizontal force of 9.6 N. The kinetic…

A:

Q: An object of mass ? = 64 g slides on a frictionless table, constrained by a cord to a circular path…

A: Given data The mass is m=64 g=64×10-3 kg The radius is r=85 cm The speed is v=40 cm/s The diagram of…

Q: Two men, Joel and Jerry, push against a car that has stalled, trying unsuccessfully to get it…

A: Workdone= Force x distance

Q: If the magnitude of the force she exerts on the suitcase is 25.0 N, and she does +1.14 x 103 J of…

A:

Q: A 67.6 kg runner has a speed of 5.10 m/s at one instant during a long-distance event. (a)Apply…

A: mass = 67.6 kg speed (u ) = 5.1 m/s   a) Runner's kinetic energy at this instant = (1/2) m(v)2 K.E =…

Q: Using energy considerations, calculate the distance the 65.0-kg baseball player slides,given that…

A: The initial kinetic energy of the system is

Q: What is the change in the kinetic energy of the block from point O to the highest point reached by…

A: Given:mass of the block, m = 3kg initial speed, u = 8.5 m/s angle of inclination, θ = 20o coeff of…

Q: Two toboggans (with riders) of the same mass are at rest on top of a steep hill. As they slide down…

A:

Q: In the first test the rider accelerates from 48 km/h to 80 km/h, over a distance of 190 m whilst…

A:

Q: Suppose the ski patrol lowers a rescue sled carrying an injured skiler, with a combined mass of…

A: Mass of the sled and victim m = 95.1 kgAngle of inclination of the slope The sled is lowered at…

Q: QUESTION How does the answer for the work done by the applied force change if the load is doubled? O…

A:

Q: In an amusement park, a car with a mass of 481 kg rolls in a track as shown below. Note that the…

A: Hi = 50 m HA = 20 m HB = 40 m Hc = 0 m m = 481 kg Speed at A = 21 m/s

Q: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined mass of…

A: Given            mass = m= 80.1 kg          inclination =θ=600          μk= coff. of friction =0.1

Q: You drop a 2.60 kg book to a friend who stands on the ground at distance D = 12.0 m below. If your…

A:

Q: The surface of the preceding problem is modified so that the coefficient of kinetic friction is…

A: Given that-Mass of the crate, m= 40 kgSpeed, d= 8 mInclination of the surface, θ=30°Speed, vf= 5…

Q: A cable pulls an 290 kg safe up a slope inclined at 20°, for 11 m on an very slippery oily surface.…

A:

Q: Show the fbd/figure, given and formula used. A water skier is pulled by a towrope behind a boat. He…

A: The tension in the rope F=120N Angle θ=20°To find the work done by the skier

Q: The (non-conservative) force propelling a 1.90 x 10³-kg car up a mountain road does 8.00 x 106 J of…

A: We are given the work done by propelling force. By work energy theorem, the total work done by non…

Q: The force component along the displacement varies with the magnitude of the displacement, as shown…

A:

Q: While riding on an elevator, a person has twoforces acting on him, a normal force and a gravity…

A: To determine,The magnitude of the normal force.Is the elevator speeding up or slowing…

Q: F A 2.3 kg block is moved at constant speed over a surface for which the coefficient of kinetic…

A: Mass of block, m=2.3 kg Coefficient of kinetic friction= 0.26The displacement d = 6 m

Q: Two toboggans (with riders) of the same mass are at rest on top of a steep hill. As they slide down…

A: Given:-  Two toboggans of the same mass are at rest on top of a steep hill. As they slide down the…

Q: A ball (A) of mass m 0.10kg is introduced inside a launcher (see diagram below). The launcher exerts…

A: Given data: The time dependent force is, Ft=Fc1+e-100t Mass of ball is m=0.10 kg.

Q: B AB cose, where 0 is the angle between the two vectors eometrically, the dot product can be…

A: Remember the vector rule and formula

Q: Samer 5. QC Starting from rest, a 5.00-kg block slides 2.50 m down a rough 30.0° incline. The…

A: given-               Mass of the block  m = 5 kg           Sliding distance  S = 2.5 m…

Q: 4 m 3 m Your mass is 50 kilograms, and you take a ride down the slide shown in the picture (with a…

A:

Q: On an essentially frictionless, horizontal ice rink, a skater moving at 4.3 m/s encounters a rough…

A:

Q: A child of mass m = 16 kg slides down a slide of height h = 2.7 m without friction. Let…

A:

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.