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.

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.

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: The Laws Of Motion

Section: Chapter Questions

Problem 5.8P: (a) A cat with a mass of 850 kg in moving to the right with a constant speed of 1.44 m/s. What is...

See similar textbooks

Similar questions

(a) An elevator of mass m moving upward has two forces acting on it: the upward force of tension in the cable and the downward force due to gravity. When the elevator is accelerating upward, which is greater. T or w? (b) When the elevator is moving at a constant velocity upward, which is greater. T or w2 (c) When the elevator is moving upward, but the acceleration is downward, which is greater. T or w? (d) Let the elevator have a mass of 1500 kg and an upward acceleration of 2.5 m/s2. Find T. Is your answer consistent with the answer to part (a)? (e) The elevator of part (d) now moves with a constant upward velocity of 10 m/s. Find T. Is your answer consistent with your answer to part (b)? (f) Having initially moved upward with a constant velocity, the elevator begins to accelerate downward at 1.50 m/s2. Find T Is your answer consistent with your answer to part (c)?
(a) A cat with a mass of 850 kg in moving to the right with a constant speed of 1.44 m/s. What is the total force on the cat ? (b) What is the total force on the cat if it is moving to the left?
30. In the bed of the truck is a 15 kg crate for which μs = 0.20 and μk = 0.15. (a) What is the maximum acceleration rate of the truck at which the crate will not slide across the bed? (b) If the truck exceeds this by accelerating at 4.0 m/s2 0.0, what will be the crate’s acceleration – both relative to earth and relative to the truck?
A man is trying to push a 75.0 kg rock across the ground by applying a constant force P at an angle θ = 27.5 ̊ below the horizontal. The coefficients of friction between the rock and the ground are μk = 0.430 and μs = 0.570. (a) If the rock is initially at rest, what force does the man need to apply to get it to start moving? (b) If the rock is already in motion, what force does he need to apply to get it accelerate at 2.75 m/s2?
1. An object of mass 45 kg is drawn upward an inclined plane by a force of 600N. The coefficient of friction between the object and the plane is 0.56. angle of inclination of the plane is 30o to the horizontal a). what is the acceleration of the object? b). if at the top of the plane, the object slide down freely on the plane under its own weight, with i. what acceleration and ii. velocity does it strike the ground? c) what would be the acceleration if the plane was frictionless?
A jet aircraft with a mass of 4,250 kg has an engine that exerts a force (thrust) equal to 60,600 N. (a) What is the jet's acceleration when it takes off? (Give the magnitude.) m/s2(b)What is the jet's speed after it accelerates for 6 s? (Assume it starts from rest.) m/s(c) How far does the jet travel during the 6 s? m
1. How long does a ball return to the thrower if it was given an initial vertical velocity of 80 ft/s? 2. Determine the amount of force (parallel to the inclination) required to prevent a 250 lb box from sliding down a 36.87 degree inclined plane, when the coefficient of static friction is 0.15. 3. What is the acceleration of a car which uniformly increases its speed from 13 km/hr to 50 km/hr in 25 seconds?
Two blocks of mass m1= 2 kg and m2 = 3 kg are connected by a rope that goes over a frictionless pulley and provides a tension T. m1 is accelerating downwards with an acceleration ? and m2 is accelerating down an inclined plane with an acceleration a. m2 is on an inclined plane with angle 30∘.a) What is a, the acceleration of the system? b) What is T, the tension on the rope connecting m1 and m2?
1. What causes an object to accelerate? a. Inertia b. net force acceleration d. mass 2. What will be the acceleration of an object with lower inertia? a. An object will have a lower acceleration because a lower inertia means a greater mass. b. An object will have a greater acceleration because a lower inertia means a lower mass. c. An object's mass has nothing to do with the object's acceleration. d. An object's mass is not a measure of the object's inertia . 3. John was riding a skateboard and hit a curb in the front wheels. His skateboard stopped and he was thrown forward. Which of the following best describes the scenario? a. A net force (which comes from the curb) acts both to John and the skateboard. b. A net force (which comes from the curb) only acts to John that is why he was thrown forward. c. A net force (which comes fiom the curb) only stops the skateboard and not John that is why he wa thrown away. d. A net force is not relative to John and the skateboard. 4.The…
1. A rocket is launched off the ground in which the foot pump produces 20 N [Right 60 Up] on the rocket (m = 200g) for 0.15 seconds. *Neglect air resistance* a. Draw an F.B.D. when the force is being applied to the rocket. b. What is the acceleration of the rocket as it is launched? c. How far does the rocket travel during the time the force is applied? d. Draw an F.B.D. when the force is no longer applied (while traveling in the air). e. At the end of the Force Applied, what is the: i. Velocity of the rocket? ii. Velocity of the rocket (horizontally)? iii. Velocity of the rocket (vertically)?
Three forces acting on an object are given by F1 = (−1.8î + 6.20ĵ) N, F2 = (5.10î − 2.2ĵ) N, and F3 = (−43î) N. The object experiences an acceleration of magnitude 3.65 m/s2. (a) What is the direction of the acceleration? ° (counterclockwise from the +x-axis)(b) What is the mass of the object? kg(c) If the object is initially at rest, what is its speed after 16.0 s? m/s(d) What are the velocity components of the object after 16.0 s? (Let the velocity be denoted by v. ) v = î + ĵ m/s
2) A Saturn V rocket has a mass of 2.70 x 106 kg and a thrust of 3.30 x 107 N. What is its initial vertical acceleration?