You drag your 30 kg suitcase 1200 m thru the Chicago airport at essentially constant velocity 2.0 m/s, by pulling its handle 90 N mostly upward, but 20° Westward. Which of the following represents the average power you provided to the suitcase?

Q: A 20.0 kg rock is sliding on a rough, horizontal surface at 8.00 m/s and eventually stops due to…

A: Given that,Mass (M) = 20 (Kg)Initial velocity (u) =8 (m/sec)Final velocity (v) = 0…

Q: A child pulls on a wagon with a horizontal force of 75N. If the wagon moves horizontally a total of…

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Q: Logan is standing on a dock holding onto a rope swing that is L = 3.70 m long and suspended from a…

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Q: he figure below shows three forces applied to a 5.00 kg trunk that moves leftward by 3.00 m ver a…

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Q: In the figure here, a block of ice slides down a frictionless ramp at angle 9-51.0" while an ice…

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Q: Two tugboats pull a disabled tanker with each tug exerting a force of 1.80 x 106 N, one with 14°…

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Q: Consider a system of a cliff diver and the Earth. The gravitational potential energy of the system…

A: Given that gravitational potential energy of the system decreases by 26,000 J so that PE=26000 J…

Q: The figure below shows three forces applied to a trunk that moves leftward by 4.90 m over a…

A: Given: Force F1=5 N, F2=8 N, F3=3 N, θ=60°, Displacement d=4.90 m (leftward). Required: (a) Net work…

Q: Same set-up for the conservation of energy was performed. The 5-g marble covered a horizontal…

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Q: A car with a mass of 900.0 kg climbs a 20.00° incline at a steady speed of 60.00 km/hr. If the total…

A: The steady speed of a car is, v=60 km/hr=16.67 m/s The total resistive or dissipative force acting…

Q: Your goal is to lose weight by working out on a rowing machine. Each time you pull the rowing bar…

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Q: 66. A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The…

A: Given :  mass of helicopter "m"= 810 kg  Initial velocity "u"= 0 m/s (rest)  Final velocity "v"= 7…

Q: Three objects with masses m1 = 6.2 kg, m2 = 14 kg, and m3 = 17 kg, respectively, are attached by…

A: Given:Mass of first object  is 6.2 kg.Mass of second object is 14 kg.Mass of third object is 17…

Q: In the figure here, a block of ice slides down a frictionless ramp at angle 0-51.0° while an ice…

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Q: "Rocket Man" has a propulsion unit strapped to his back. He starts from rest on the ground, fires…

A: Given, Mass, m = 141 kg  Height, h = 15 m final velocity, v = 5.5 m/s  initial velocity , u = 0 m/s…

Q: A car drives along the highway, maintaining a constant speed of 29 m/s. For all questions below,…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: When an automobile moves with constant speed down a highway, most of the power developed by the…

A: Given:Power developed by an engine = 190 HP.Speed of car = 31 m/s

Q: Construct Your Own Problem - Consider humans generating electricity by pedaling a device similar to…

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Q: While hovering, a typical flying insect applies an average force equal to twice its weight during…

A: Mass of insect (m) = 10 g = 0.01 kg weight of insect (w) = m×g = 0.01×9.8= 0.098 N Applied force (F)…

Q: A 1400 kg car starts from rest and accelerates uniformly to 19.5 m/s in 20s. a)Find the average…

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Q: A crate is given a push across a horizontal surface. The crate has a mass m, the push gives it an…

A: Given mass of the crate = m Initial speed =  3.30 m/s Coefficient of kinetic friction = 0.115 We…

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: Question 9) During a board game called Rat TrapO, mechanical contraptions are activated in a…

A: Recall  U=mgh KE=1/2mv2 by conservation of energy.

Q: A pail in a water well is hoisted by means of a frictionless winch, which consists of a spool and a…

A: Given, height lifted , h = 24.0 m time, t = 15.0 s mass of pail of water , m = 6.60 kg  We know that…

Q: When an automobile moves with constant speed down a highway, most of the power developed by the…

A: The objective of the question is to estimate the total friction force acting on the car when it is…

Q: A 20 g bug is hovering in the air. A gust of wind exerts a force F = (5.0 î + 2.0 j) × 10-2N c the…

A: Due to force acting on the bug by wind, work will be done on the bug which is dot product of force…

Q: In which of these situations is work being done? A B C D You sit in a chair reading your textbook.…

A: Solution: Given: In which of these situations is work being done? A. You sit in a chair reading your…

Q: In a hydroelectric dam, water falls 35.0 m and then spins a turbine to generate electricity. What is…

A: (a)The in potential energy of the water that falls from height h0 is.

Q: I need help with part D!!

A: The increase in gravitational potential energy of block will be,

Q: Same set-up for the conservation of energy was performed. The 5-g marble covered a horizontal…

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Q: You are giving your pet a ride in a wagon.  You pull on the wagon handle with a force of 50.0 N…

A: We know that work done is defined as the product of force time displacement, and power is defined as…

Q: A car requires 72.8 hp to maintain a constant speed of 21.3 m/s on a straight, flat road. Assuming…

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Q: A man does 4,800 J of work in the process of pushing his 2.40 x 103 kg truck from rest to a speed of…

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Q: Can the work done by Friction be zero? In a case where static friction exists, the object does not…

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