Ralph uses a 2000 N force to push his car along a road for 1000 m. It takes him 500 s to do this. Calculate the amount of work that Ralph did on the car. Calculate the amount of power that he generated.

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

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Q: Mark pulls Allison and Mattie in a wagon by exerting a force of 25 pounds on the handle at an angle…

A: equation of work is  is given as : -   W = FΔrcosθ F is applied force . Δr is distance travelled  θ…

Q: The toy car with a mass of 7 kilogram travels on a frictionless horizontal plane with an initial…

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Q: you push a 90 kg box across a 12 m room. it takes you 30 seconds at a steady speed. your push force…

A: The work done by the man to push the box is as follows: W=F→·d→W=Fdcosθ             θ=0°W=Fd…

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 hummingbird has a mass of about 1.7 g. Suppose a hummingbird does 0.15 J of work against gravity,…

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Q: Mark throws a ball upward. His hands moved by 0.88 m and the ball moves upward. Determine the…

A: Given data:  Distance (d) = 0.88 m Work (W) = 37.83 J Required: Force (F)

Q: You apply a constant force of (47 N) î - (59 N) ĵ to a loaded supermarket pushcart as it undergoes a…

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Q: Marissa uses a cart to haul flowers at her job as a landscaper. She pushes a 12-kilogram cart a…

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Q: Ralph uses a 2000N force to push his car along a road for 1000 m. It takes him500 s to do this. a-…

A: a) The expression for find work is W=Fd Substitute values in the above equation W=2000N1000m=2×106J

Q: 5. A 2-kg pendulum bob is attached to a string 1.2 m long. What is the work done by gravity as the…

A: From the diagram, the displacement of the bob from point A to point B be:

Q: A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 42 m in 3 min, what is…

A: Given information: The force applied by the child (F) = 75 N The distance moved by the child (d) =…

Q: Al lift to raise a crate to height of 10.0 m is used. [1hp= 746 W] How much hp is necessary to raise…

A: The energy used to lift the crate of mass m is its potential energy. Write the expression for…

Q: BA force of 4 pounds is required to hold a spring stretched 0.4 feet beyond its natural length. How…

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Q: A car with a mass of 1.5 x 103 kg accelerates at 0.74 m/sec2 for 60 seconds. How fast is it going in…

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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: A spring has a natural length of 18 cm. If a 25-N force is required to keep it stretched to a length…

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Q: y0=30°

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Q: Maurice pulls a 12.50 kg block, that is sitting on the floor, using a 51.50 N force at a 22.30degree…

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Q: A weight lifter lifts a 340-N set of weights from ground level to a position over his head, a…

A: The frictional force is that force that tries to resist the motion when trying to move a body over a…

Q: 6. If you push on a 300 kg rock with a force of 1,000 N for 10 s, and it doesn't move, how much work…

A: 6- Given: Mass of rock, m=300 kg Applied force, F=1000 N Force applied for time t=10 s To determine…

Q: 5. A 2-kg pendulum bob is attached to a string 1.2 m long. What is the work done by gravity as the…

A: Analyze the diagram of the given situation.

Q: A one-dimensional variable force in the x-direction is given as F(x) = 2 x 1.61, where Fis in…

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Q: Energy Theorem, determine the required force to stop a 980 kg car moving at a speed of 21 m/s if…

A: According to work energy theorem Work done = change in kinetic energy

Q: A 550 kg elevator accelerates upward at 1.2 m/s2 for the first 15 m of its motion. How much work is…

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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: Given Data Weight of the rock is W=20 N Height of the rock from the ground is h=15.0 m Speed of the…

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

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Q: Question. A cyclist and bike have a total mass of 5 Kg and moving with a speed of 10 m/s. Calculate…

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Q: An 860-kg Smart Car has an acceleration of 0.75 ms-2. What is the work done by the net force acting…

A: The work done is given by the product of force and the displacement. W = F s

Q: Kiera uses a force of 40 Newtons to move the grocery basket 18 meters. How much work did she…

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Q: During a tug-of-war match, team A pulls on team B by applying a force of 1100 N to the rope between…

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Q: Mike is cutting the grass using a human-powered lawn mower. He pushes the mower with a force of 45 N…

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Q: You apply a constant force of (49 N) (52 N) to a loaded supermarket pushcart as it undergoes a…

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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: In the figure, the rock weighs 215 lb and is lifted 1 ft by the lever. A. How much work is done in…

A: Given that:w=215 lb   (weight of the rock)d1=1 ftd2=3 ft

Q: A 2.25 kg cube glides down from the top of a 1.45 m high frictionless ramp. The angle of the ramp…

A: Solution: Given: m = mass of object = 2.25 kg h = height of inclined plane = 1.45 m θ = angle of…

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

A: Given data: The mass of the package, m = 10 kg The maximum acceleration of the package, as = 20…

Q: A student applies 490 Newtons of force to push a 100 kilogram box up a 10 meter high ramp. How much…

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Q: A student applies a 20 newton force to move a crate at a constant speed of 4.0 meters per second…

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Q: A woman jumps from a high wall and lands in soft sand. The sand exerts an average upward force of…

A: Newton's third law of motion states that every force has an equal and opposite reaction to the body.…

Q: A 1418 kg car can accelerate to 95 km/h in 6.75 s.  What is the average power delivered by the…

A: Given: The mass of the car is 1418 kg. The velocity of the car is 95 km/h. The time taken is 6.75 s.…

Q: If you walked up the stairs in half the time of another student of equal weight, you did the same…

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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: Mama Mia lifts up a 6.2 kg pie from the table a distance of 1.8 meters high with an acceleration of…

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Q: A boy lifts a 30.0 N dragon 2.0 meters above the ground. How much work did the boy do on the dragon?…

A: Given data: Weight of dragon (w) = 30 N Height form the ground (h) = 2.0 m Need to determine the…