What power is needed to move a 13.4 kN car up an 8 degree incline with a constant speed of 80 kph against a frictional force of 360 N? a. 28.66 hp b. 66.28 hp c. 82.66 hp d. 62.86 hp

Q: Sam, whose mass is 68 kgkg , straps on his skis and starts down a 58 mm -high, 20∘20∘ frictionless…

A:

Q: A- A kg sled is pulled across level snow with a force of 225N on a rope that is 35 degrees above the…

A: Required : Work done, Power.

Q: A 900 kg car cruises for a distance of 380 meters by applying a force of 2700N against 900N of…

A: Given data:  Mass (m) = 900 kg Displacement (d) = 380 m Applied force (F) = 2700 N Frictional force…

Q: 10. A small motor is used to operate a lift that raises a load of bricks weighing 1200 N to a height…

A:

Q: Javier moved the 15 kg dumbbell from a rackI.I m above the floor to the weight bench 0.65 m above…

A: The mass of the dumbbell, m=15 kg   The vertical distance, ∆h=1.1 m-0.65 m=0.45 m   The acceleration…

Q: A 6-kg block moves along the x-axis. Its position changes with time as x=2+t-4t where x in meters…

A:

Q: 2. Shelley pulls her little sister in a wagon with a constant force of 50 N over a distance of 100…

A: Since you have asked multiple questions in a single request, we would be answering only the first…

Q: A small truck has a mass of 2195 kg. How much work is required to decrease the speed of the vehicle…

A: Given that: Mass of truck = 2195 kg On level road, To decrease the speed of the vehicle from 23m/s…

Q: image

A: Hey, there are multiple questions posted; we are authorized to answer one question at a time, since…

Q: A 77.0 kg woman slides down a 42.6 m long waterslide inclined at 42.3°. At the bottom, she is moving…

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Q: 3. A boy pulls a wagon 35.0 meters along a sidewalk using a rope that makes a 22.0° angle with the…

A:

Q: Question 8 A machine does 2500 J of work in 1 min. What is the power developed by the machine? A 42…

A: Given Work done by Machine = 2500 J Time taken by Machine = 1 min = 60 sec We have to calculate the…

Q: Adisa pulls a 35.0-N crate up a 4.00-m-long inclined plane at a constant velocity. If the plane is…

A: Given: Weight of crate = 35.0 N. Length of inclined plane = 4 m. Angle of Inclined plane = 39.0 ̊.…

Q: A gust of wind exerts a FORCE of 86 (kg m/s/s) moving a lawn chair a DISTANCE of 16.9 m in a…

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Q: 15. The figure below shows the acceleration of a 10-kg package that is accelerated to a maximum…

A: Write the equation for the work done. Work doneW=Area under the curve…

Q: How much work is done by the boy pulling his sister 23 m in a wagon as shown in the figure below?…

A: The work done is given by, W=F·d    =Fdcosθ

Q: A man returning from ice fishing trip pulls a sled with fish. Total mass of the sled and fish is…

A:

Q: 8. A block is moving with 52.0 J of KE. A 12.0N force pulls the block straight forward for 3.00 m.…

A:

Q: A child does 358 J of work while pulling a box from the ground up to his treehouse at a steady speed…

A: work done by child = 358 J height of treehouse above the ground = 3.1 m

Q: A force of 434.0 N is exerted on a 1,250 N car while moving it a distance of 2.65 m. How much work…

A: Express the relation for the work done on the car. W=Fd Here, W is the work done, F is the force…

Q: A 30N fruit basket is lfted at a constant velocity from the floor to a heiht of 2M. How much work is…

A: Data provided:  Weight (mg) = 30 N Velocity is constant Height (h) = 2 m Required: Work done

Q: A 655-N Marine in basic training climbs a 11.5-m vertical rope at a constant speed in 9.00 s. What…

A: Given : F = 655 N h = 11.5 m t = 9 s

Q: A 5.4 kg textbook is raised a distance of 23.6 cm as a student prepares to leave for school. How…

A: Given : m = 5.4 kg d = 23.6 cm = 0.236 m

Q: A 5 Ib monkey is attached to a 20ft hanging rope that weighs 0.3 lb/ft. The monkey climbs the rope…

A: The force needed to lift the object is equivalent to the object’s weight. So, total weight hanging…

Q: The rope is held at an of 628 N is applied to the rope. How rce on the rope do? 3. A 1600-kg car…

A:

Q: A crate slides down a ramp that makes a 20° angle with the ground. To keep the crate moving at a…

A: Diagram,

Q: 11 A 50 kg cement block needs to be moved, over a distance of 10m, the power available is 200 W,…

A:

Q: 10. The power of a motor is 40 kW. At what speed can the motor raise a load of 20,000 N ? Ans. 2 ms

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Q: How much work must be done to stop a 1200-kg car traveling at 115 km/h? (Hint: You will need to…

A:

Q: A girl throws a lego brick of mass 1.92 kg straight upward with an initial speed of 26.23 m/s When…

A: The force due to the weight of the lego brick is given by: F= mawhere, m is mass of the brick…

Q: A tennis player hits a 58.0 g tennis ball so that it goes straight up and reaches a max height of…

A: Given data The mass is m=58 g The height is h=8.09 m The work done by the gravity on the  the ball…

Q: A box slides down a ramp that makes a 20° angle with the ground To keep the box moving at a constant…

A:

Q: Q3. Find the amount of work done in lifting a body of 5 kg through 10 m. Take g = 10 m/s?. O 5J O 15…

A:

Q: 15. The figure below shows the acceleration of a 10-kg package that is accelerated to a maximum…

A: 15) Work done = area of force displacement graph work done = m * (area of acceleration -…

Q: A 715-N Marine in basic training climbs a 10.5-m vertical rope at a constant speed in 6.00 s. What…

A:

Q: A 685-N Marine in basic training climbs a 8.0-m vertical rope at a constant speed in 8.50 s. What is…

A: Weight, W = 685 N Height, h = 8 m  Time, t = 8.50 s   Power, P = Work/Time or P = Wh/t or P = 685 x…

Q: 22. A 4200-N piano is to be slid up a 3.5-m frictionless plank that makes an angle of 30.0° with the…

A:

Q: 25. A donkey is pulling a sled at a velocity of 3.5m/s. If the donkey’s power output is 890 W, what…

A: Let F be the force that the donkey exerts on the sled. Given that a donkey is pulling a sled at a…

Q: A car is moving along a road at 25.0 m/s with an engine that exerts a force of 2,475.0 N on the car…

A: Velocity of car,v=25 m/sForce exerted,F=2475 N

Q: 8. DETAILS SERPSE10 8.5.OP.017. MY NOTES ASK YOUR TEACHER A 650-N Marine in basic training climbs a…

A:

Q: 4. A student lifts a box of books that weighs 185 N. The box is lifted 0.800 m. How much work does…

A: Given Weight of the box = 185 N Distance moved = 0.800 m We have to calculate the work done by the…

Q: A person pushes a lawnmower horizontally for 8.50 m by applying a force of 125 N along with the…

A: Given data:  Distance (d) = 8.50 m Force (F) = 125 N Angle (θ) = 36.0° Required: The work done (W)

Q: A tennis player hits a 52.0 g tennis ball so that it goes straight up and reaches a maximum height…

A: The expression for find work done by the gravity on the ball on the way up is W=m-gh=-mgh Insert…

Q: 2. Shelley pulls her little sister in a wagon with a constant force of 50 N over a distance of 100…

A: Since you have asked multiple questions in a single request, we would be answering only the first…

Q: A 20 kg toddler tries hard to lift his mom’s 12 kg KSU book bag, applying a force of 25 N. The bag…

A: Given information: The mass of the bag (m) = 12 kg The force applied by the boy (F) = 25 N The…

Q: The two ropes seen in the figure (Figure 1) are used to lower a 255 kg piano 5.00 m from a…

A: a) The work done by WG can be calculated as:-            WG=mgcosθ×d⇒Here mg = weight           θ is…

Q: How much work is needed to stop a 1330 kg car that is moving straight down the highway at 15 m/s? (…

A: