77. A car is towing a boat on a trailer. The driver starts from rest andaccelerates to a velocity of +11 m/s in a time of 28 s. The combinedmass of the boat and trailer is 410 kg. The frictional force acting on thetrailer can be ignored. What is the tension in the hitch that connects thetrailer to the car?

According to Newton's second law, T=ma ...... (1) According to the…

Answered: 77. A car is towing a boat on a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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2 Algebraic manipulation. The figure shows three spaceships engaged in a celestial tug-of-war over a rhodium-rich asteroid. F₁ F₂0, all three forces are coplanar, and F. · they sum to zero so the asteroid has no acceleration. Express F3 in terms of F₁ if F2= BF₁ with 3 = 3.89. Fill in the missing numerical factor below. F3 F3 =____ F₂ F₁ F₁ Record your answer below, assuming three significant figures.
An Atwood machine consists of two masses hanging from the ends of a rope that passes over a pulley. The masses have the values mj = 26.0 kg and m2 16.0 kg. Assume that the rope and pulley are massless and that there is no friction in the pulley. What is the magnitude of the masses' acceleration a? т, m/s? What is the magnitude of the tension T in the rope? m, T = N
An Atwood machine consists of two masses hanging from the ends of a rope that passes over a pulley. The masses have the values m₁ = 29.0 kg and m₂ = 11.0 kg. Assume that the rope and pulley are massless and that the pulley is frictionless. What is the magnitude a of the masses' acceleration? a = What is the magnitude of the tension T' in the rope? T = m/s² N m₁ m₂
A rocket is descending to the surface of Mars where g = 4 m/s ^ 2 . The rocket is initially 80 m above the planet's surface and is descending downward at 50 m/s. The mass of the rocket is 2500 kg. The rocket will land on the surface with a final velocity of 0. Our goal is to find the upward thrust force on the rocket to make this happen. Draw a motion diagram . Find the deceleration of the rocket. Draw force diagram for the rocket. Show the net force. Find the thrust force on the rocket ?
A 70 kg man drops to a concrete patio from a window only 0.55 m above the patio. He neglects to bend his knees on landing, taking 2.0 cm to stop. (a) What is his average acceleration from when his feet first touch the patio to when he stops? m/s2 (b) What is the magnitude of the average stopping force? kN
16
7. Sally is driving at a constant speed of 25 m/s on a straight horizontal road. She sees an obstacle on the road ahead and applies the brakes! The wheels lock causing the car to slide forward. If the coefficient of kinetic friction between the tires and the road is 0.40, how long does it take the car to come to a complete stop?
A car of mass 822 kg is traveling 26.4 m/a when the driver applies the brakes, which lock the wheels. The car skids for 4.47 s in the positive x direction before coming to rest. What is the cars acceleration in m/ s2? what magnitude force in N acted on the car during this time? How far in m did the car travel?
A stack of two crates is being accelerated upwards by two cables. The cables are directly attached to crate 1 and the tension in each cable is 3248 N. You may assume that the masses of the cables are negligible compared to the masses of the crates. The acceleration of the crates is? bottom crate crate 1 is 109 kg. the top crate is 248 kg.
Tom travels to the moon for NASA. While on the moon, the total weight of Tom and his lunar exploration suit is 224 N. His suit has a mass of 50 kg. The acceleration due to gravity is 9.81 m/s2 on Earth and 1.67 m/s2 on the moon. What would his weight be on Earth without the heavy suit? 1. 490 N 2. 830 N 3. 987 N 4. 1304 N
2. A mass of 2.50 kg is at rest at time = 0. Do not consider friction in this problem. Two vector forces are applied to the mass. What is the resulting vector acceleration? F1 = 2.40 i + 1.50 j Newtons. F2 = 5.00 Newtons at an angle of 25.0°with the positive X axis.

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