Three forces acting on an object are given by F, = (-1.8î + 6.75j) N, F, = (4.90î – 1j) N, and F, = (-46î) N. The object experiences an acceleration of magnitude 3.95 m/s?.(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 20.0 s?m/s(d) What are the velocity components of the object after 20.0 s? (Let the velocity be denoted by v.)j) m/sv =i+

Name: Three forces acting on an object are given by F, = (-1.8î + 6.75j) N,
Uploaded: 2024-03-20T06:57:57.000Z
Channel: Bartleby
Description: Three forces acting on an object are given by F, = (-1.8î + 6.75j) N, F, = (4.90î – 1j) N, and F, = (-46î) N. The object experiences an acceleration of magnitude 3.95 m/s?.(a) What is the direction of the acceleration?• (counterclockwise from the +x

Given: The force acting on object is F1⇀=-1.8i^+6.75j^ N. The force acting on object is…

Science

Physics

Three forces acting on an object are given by F, = (-1.8i + 6.75) N, F, = (4.90i - 15) N, and F, = (-46) N. The object experiences an acceleration of magnitude 3.95 m/s. (a) What is the direction of the acceleration? •(counterclockvise from the +x-axis) (b) What is the mass of the object? kg (e) If the object is initially at rest, what is its speed after 20.0 s? m/s (d) What are the velocity components of the object after 20.0 s? (Let the velocity be denoted by v.) i) m/s i+

Three forces acting on an object are given by F, = (-1.8i + 6.75) N, F, = (4.90i - 15) N, and F, = (-46) N. The object experiences an acceleration of magnitude 3.95 m/s. (a) What is the direction of the acceleration? •(counterclockvise from the +x-axis) (b) What is the mass of the object? kg (e) If the object is initially at rest, what is its speed after 20.0 s? m/s (d) What are the velocity components of the object after 20.0 s? (Let the velocity be denoted by v.) i) m/s i+

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter8: Linear Momentum And Collisions

Section: Chapter Questions

Problem 8PE: Professional Application A car moving at 10 m/s crashes into a tree and stops in 0.26 s. Calculate...

See similar textbooks

Similar questions

Superman must stop a 120-km/h train in 200 m to keep it from hitting a stalled car on the tracks. If the train’s mass is 3 X 105 kg, how much force must he exert? Compare to the weight of the train (give as %). How much force does the train exert on Superman? Solution in handwritten.
A 80.0 kg diver falls from rest into a swimming pool from a height of 5.50 m. It takes 1.84 s for the diver to stop after entering the water. Find the magnitude of the average force exerted on the diver during that time.
The 0.8-kg particle slides across a frictionless horizontal plane. The force P applied to the particle always acts in the x-direction and its magnitude varies with time as shown (Fig. 2) in the P-t diagram. If the velocity of the particle at t= 0 is 3 mps, in the direction shown, determine the speed when t = 5 sec.
A person steps horizontally off the roof of a single-story house that is 3.1 m high. When his feet hit theground below, he bends his knees such that his torso decelerates over a distance of 0.65 m before coming to astop. If the mass of his torso is 50 kg, what is the average net force exerted on his torso over this distance?
A 63.0 kgkg parachutist falling vertically at a speed of 6.50 m/sm/s hits the ground, which brings him to a complete stop in a distance of 0.87 mm (roughly half of his height). 1) Assuming constant acceleration after his feet first touch the ground, what is the average force exerted on the parachutist by the ground? Express your answer with the appropriate units.
A golf ball of mass 4.50x10^-2 kg is struck by a club. Contact lasts 2.00x10^-4 s, and the ball leaves the tee with a horizontal velocity of 50.0 m/s. Compute the average force the club exerts on the ball by finding its average acceleration.
What average force is required to stop a 1400 kg car in 8.0 s if the car is traveling at 85 km/h? Express your answer to two significant figures and include the appropriate units. Enter positive value if the direction of the force is in the direction of the initial velocity and negative value if the direction of the force is in the direction opposite of the initial velocity.
correct or dislike A 4 kg mass moving with speed 2 m/s, and a 2 kg mass moving with a speed of 4 m/s, are gliding over a horizontal frictionless surface.Both objects encounter the same horizontal force, which directly opposes their motion, and are brought to rest by it. Which statement best describes their respective stopping distances?
An object starts from rest at the origin and moves along the x axis subject to the force shown in the figure below. If the mass of the object is 37.0 kg, determine the speed of the object at the following positions. Each unit along the position axis is 2.00 m and each unit along the force axis is 3.00 N. (a) x = A (b) x = B (c) x = C
If, by some suitable mechanism, the falling body had been given an initial downward push instead of being just released, would the resulting value of `g’ have been different? Explain
A block of wood is pulled by a horizontal stringacross a rough surface at a constant velocity witha force of 20 N. The coefficient of kineticfriction between the surfaces is 0.3. Themagnitude of force of friction isA.impossible to determine withoutknowing the mass of the block.B.impossible to determine withoutknowing the speed of the block.C.0.3 N.D.6 N.E.20 N.
A net (unbalanced) external force of 100.0 N acts on an object of mass 20.0 kg whose initial speed is 10.0 m/s. The force acts in the opposite direction from the object's motion, and it acts for 1.00 s. What is the object's final speed, in m/s?