You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.6 m above the ground, it is traveling at a speed of 26.0 m/s upward. Use the work-energy theorem to find its maximum height.

Q: A student whose mass is 55 kg climbs stairs from the fırst to the third floor of the physics…

A: mass of student (m) = 55 kg vertical distance (h) = 10 m

Q: A man pushes a lawnmower on a level lawn with a force of 200 N. If 40% of that force is directed…

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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: A particle moving in the xy-plane is subject to a force (xî + yi) F(x, y) = (60 N · m2)- (x² +…

A: Given,F→(x, y) = (60 N. m2)xi^ + yj^(x2 + y2)32The particle is moving from, 4, 7 m to 9, 8 m

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 1.3 kgkg book is lying on a 0.80 mm -high table. You pick it up and place it on a bookshelf 2.2 mm…

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Q: A skier moving at 5.00m/s encounters a long, rough horizontal patch of snow having a coefficient of…

A: Given data: The initial velocity of skier is, v=5.00 m/s. The coefficient of kinetic friction is,…

Q: A force, Fx acts on an object that is moving along the x-axis. The graph of the force as a function…

A: Solution:-

Q: A force on a particle moving in the x-y plane is given F = 2xyî + x²j , where x and y are in meters.…

A: Work done to move the particle from O to A is…

Q: An archer pulls his bow string back 0.40 m by exerting a force that increases uniformly from zero…

A: displacement of string pulled by archer, s = 0 40 m Initial force applied, Fi = 0  Final force, Ff =…

Q: A tennis ball of mass m = 0.097 kg is thrown straight up with an initial speed v0 = 14 m/s. Let the…

A: mass of ball (m) = 0.097 kg Initial upwards speed (vo) = 14 ms

Q: A person pulls a 10 kg luggage along a level road for 5 m by exerting a force of 20 N at an angle of…

A: Given Data : Mass of luggage, m= 10 Kg                      Force= 20N                      Vertical…

Q: A 70-kg skier accelerates down an icy hill from an original height of 530 meters. Use the…

A: Given Data :- Mass of the skier is m=70 kg Height of the hill is h=530 m Energy lost due to external…

Q: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

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Q: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

A:

Q: You lift a 3kg pumpkin to a height of 0.80 m to check it out. How much work do you do on the pumpkin…

A: Consider the formula to obtain the value of work done is, W=mgh Here, m is the mass of the object, g…

Q: A 3 kg particle starts from rest at x = 0 and moves under the influence of a single force F= 10 + 5x…

A: The work done by a force F(x) on a particle as the particle moves from x = a to x = b, is given…

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

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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: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

A:

Q: When released from rest, a 170 g block slides down the path shown below, reaching the bottom with a…

A:

Q: A skier moving at 5.00 m/s encounters a long, rough horizontal patch of snow having a coefficient of…

A: Given: The initial velocity is 5.00 m/s. The coefficient of kinetic friction is 0.220.

Q: A roller coaster cart of mass m = 241 kg starts stationary at point A, where h1 = 39.4 m and a while…

A: The potential energy of the car at A relative to the ground is given by, UA=mgh1

Q: A 4.20-kg box has an acceleration of 2.10 m/s² when it is pulled by a horizontal force across a…

A: " As per our company policy we can answer only 3 subparts. To get the solution of remaining part…

Q: QUESTION 6 A college student pushes a 40-kg filing cabinet that is initially at rest with a…

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Q: A 1400 kg car accelerates from 5 m/s to 10 m/s. The net work done by the car is V2 500 J 200 J 300…

A: Given, Mass of car m = 1400 Kg Initial velocity of  the car u = 5 m/s Finial velocity of the car v =…

Q: You push your 1,000 N car up a ramp that is 15 m long and forms an angle of 15 degrees above the…

A: Given data:  Weight of car (mg) = 1000 N Distance (d) = 15 m Angle (θ) = 15°, above the horizontal…

Q: You go for a walk one afternoon down a level street to a park where there is a hill.  If the hill is…

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Q: Erol carries an 8.0 -kg suitcase as she walks 45 m along a horizontal walkway to her room at a…

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Q: Ben Travlun carries a 200-N suitcase up three flights of stairs (a height of 10.0 m) and then pushes…

A:

Q: A one-dimensional force has the form F(x) = A x2-Bx where A =1.8 N/m2 and B = 0.65 N/m. How much…

A: We have a one-dimensional force which is given by  F(x)=Ax2-Bx  where constants A=1.8 N/m2 and…

Q: A man pulls a 4.6-kg sled 50 meters along an angled hill with a force of 36 N, which elevates the…

A:

Q: Q6. A 500 kg cloth bag is pulled up a smooth plane 6 m long to a platform which is 4 m above the…

A: Given  mass of cloth bag m=500kg height above ground,h=4m g=10m/s2

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

A:

Q: Ben carries a 250 N suitcase up three flights of stairs (a height of 12.0 m) and then pushes it with…

A: Given data as per question weight of suitcase =250N Height =12 m Horizontal force =50N Speed =0.10…

Q: You throw a 20.0-N rock vertically into the air from the ground level. You observe that when it is…

A: Given data The weight of the rock is given as W = 20 N. The height is given as h = 15 m. The…

Q: A 1200 N crate rests on the floor. How much work is required to move it at a constant speed (a) 5.0…

A:

Q: A 30-N box is pulled upward 6.0 m along the surface of a ramp that rises at 30° above the…

A: weight = mg = 30 Nd = 6 m θ = 30oWork done by pulling force along the incline = force applied * d =…

Q: On an essentially frictionless, horizontal ice rink, a skater moving at 5.0 m/s encounters a rough…

A: Work Energy Theorem: It states that the change in kinetic energy of the particle is equal to the…

Q: Three forces, F1 = 20.0 N, F2 = 40.0 N, and F3 = 10.0 N act on an object with a mass of 2.00 kg…

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Q: You throw a 20-N rock vertically into the air from ground level. You observe that when it is 15.0 m…

A:

Q: A traveller pulls on a suitcase strap at an angle 36 degrees above the horizontal. If 908 J of work…

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Q: A 18 kg sled starts up a 28 degree incline with a speed of 2.3 m/s. The coefficient of kinetic…

A: Drawing free body diagram for sled:-   Net force along vertical direction, ΣFy = Fn = mg cosӨ = 0…

Q: A traveler pulls on a suitcase strap at an angle of 36° above the horizontal. If 908 J of work are…

A:

Q: A person pulls a 10 kg luggage along a level road for 5 m by exerting a force of 20 N at an angle of…

A: