A flea jumps by exerting a force of 1.28 × 10-5 N straight down on the ground. A breeze blowing on the flea parallel to the ground exerts aforce of 0.660 x 10-6 N on the flea. Find the direction and magnitude of the acceleration of the flea if its mass is 6.50 x 10-7 kg. Do notneglect the gravitational force. (Assume that the breeze blows in the +x-direction and that the +y-direction is up.)magnitudem/s2directiono counterclockwise from the +x-axisAdditional Materials

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Answered: A flea jumps by exerting a force of…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter7: Rotational Motion And Gravitation

Section7.5: Newtonian Gravitation

Problem 7.8QQ: A ball is falling toward the ground. Which of the following statements are false? (a) The force that...

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A 3.00-kg object is moving in a plane, with its x and y coordinates given by x = 5t2 1 and y = 3t3 + 2, where x and y are in meters and t is in seconds. Find the magnitude of the net force acting on this object at t = 2.00 s.
Which of the following is the reaction force to the gravitational force acting on your body as you sit in your desk chair? (a) the normal force from the chair (b) the force you apply downward on the seat of the chair (c) neither of these forces
Two blocks of mass 3.50 kg and 8.00 kg are connected by a massless string that passes over a frictionless pulley (Fig. P4.47). The inclines are frictionless. Find (a) the magnitude of the acceleration of each block and (b) the tension in the string. Figure P4.47
(a) Find the magnitude of the gravity force between a planet with mass 5.98 1024 kg and its moon, with mass 7.36 1022 kg, if the average distance between them is 3.84 108 m. (b) What is the acceleration of the moon toward the planet? (c) What is the acceleration of the planet toward the moon? (See Section 7.5.)
An object experiences no acceleration. Which of the following cannot be true for the object? (a) A single force acts on the object. (b) No forces act on the object. (c) Forces act on the object, but the forces cancel.
In a laboratory experiment, an initially stationary electron (mass = 9.11 x 10–31 kg) undergoes a constant acceleration through 2.4 cm, reaching a speed of 5.7 x 106 m/s at the end of that distance. What are (a) the magnitude of the force accelerating the electron and (b) the electron's weight?
A person in a kayak starts paddling, and it accelerates from 0 to 0.8 mile/hour in adistance of 0.8km. If the combined mass of the person and the kayak is 80kg, whatis the magnitude of the net force acting on the kayak?
The weight of a mass on Mercury, where the acceleration due to gravity is 3.61 m/s2, is 1235 N. What would be the weight of the same mass on the Moon, where the acceleration due to gravity is 1.60 m/s2?
A spaceship lifts off vertically from the Moon, where g = 1.6 m/s2. If the ship has an upward acceleration of 1.0 m/s2 as it lifts off, what is the magnitude of the force exerted by the ship on its pilot, who weighs 735 N on Earth?
An object of mass mm is initially at rest. After a force of magnitude F acts on it for a time T, the object has a speed v. Suppose the mass of the object is doubled, and the magnitude of the force acting on it is quadrupled. In terms of T, how long does it take for the object to accelerate from rest to a speed v now?
When the Moon is directly overhead at sunset, the force by Earth on the Moon, FEM , is essentially at 90° to the force by the Sun on the Moon, FSM , as shown below. Given that FEM = 1.98 × 1020 N and FSM = 4.36 × 1020 N, all other forces on the Moon are negligible, and the mass of the Moon is 7.35 × 1022 kg, determine the magnitude of the Moon’s acceleration.
A 2.8 kg mass is initially at rest while upon a horizontal surface. An applied force of 17 N is exerted on the mass in the =x direction. If the acceleration produced is 2.3 m/s² in the +x direction, what is the coefficient of kinetic friction between the mass and the surface?

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