As a tossed ball sails through the air, a force of gravity mg acts on it. Identify the reaction to this force. Also identify the acceleration of the ball along its path, even at the top of its path.

Q: A 4.00-kg object undergoes an acceleration given by a = (8.00 î + 4.0o j) m/s. (a) Find the…

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Q: An object moves in a straight line at a constant speed. Is it truethat there must be no forces of…

A: Moving at a constant speed does not mean that there are no forces acting on the object. It might be…

Q: are thre di der's experience in an unnamed hotel. For each scenario, calculate the normal force FN.1…

A: Net force F = ma

Q: A plum bob hangs from the roof of a railway coach. What angle will plum line make with vertical when…

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Q: 7.

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Q: The applied force P is equal to 160N and the mass of the box is equal to 20 kg. Determine the…

A: Given:- The applied force P = 160 N  The mass of the box m= 20 kg  The coefficient of the kinetic…

Q: An 81.0 kg sprinter starts a race with an acceleration of 2.32 m/s2. What is the net external force…

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Q: A 403.280 kg car is traveling down a 25- degree slope. At the instant that the speed s 13 m/s, the…

A: Write the given values of this problem. m=403.280 kgvo=13 m/sθ=25°d=68.310 m

Q: Explain how the acceleration of an object is determined by the net external force on the object and…

A: Newton's second law of motion: Newtons second law of motion states that force is directly…

Q: a 1000 kg car is traveling down a 25 degree slope. at the instant the speed is 13 m/s,the driver…

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Q: If a leftward-moving object experiences an unbalanced force, then the object will have an…

A: The statement is false.

Q: 100 kg 30

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Q: A 4.8-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket…

A: F=ma+g

Q: A particle acted upon by an unbalanced force experiences and magnitude that is directly proportional…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Find the tension in an elevator cable if the 1250 kg elevator is ascending with the  upward…

A: The mass of the elevator is m = 1250 kg. The upward acceleration of the elevator is a = 0.180 m/s2.…

Q: Assume that the mass of a given snowflake is 3 mg (milligrams) and that its terminal velocity is 1…

A: Mass of the snowflake, m = 3 mg = 0.003 g = 3 x 10-6 kg Terminal velocity, v = 1 m/s Acceleration…

Q: A 403.280 kg car is traveling down a 25-degree slope. At the instant that the speed is 13 m/s, the…

A:

Q: force, Fnet, acting on the vehicle at this time and the angle, 0, between the net force vector and…

A:

Q: A rocket sled weighing 700 kg is moving horizontally in a straight line. It is accelerated at a…

A: Given data:  Mass (m) = 700 kg Initial velocity (V0) = 0 m/s Final velocity (V) = 1800 km/hr Time…

Q: ”If you are in an elevator that is accelerating downwards, the normal force Fn that the bottom of…

A: The free body diagram for the elevator moving downwards is given below.

Q: How much would a 70 kg man weigh on the moon ? What would be his mass on e earth and on the moon ?…

A: Given data :              Mass of the man on moon  =  m             Acceleration due to gravity  =…

Q: Is the force applied to drag the carriage affected by a change in inclination? Why?

A: Is the force applied to drag the carriage affected by a change in inclination?

Q: A  1410-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant…

A: Given  mass of the submarine (m)=1410 kg upward buoyant force(Fu)=16630 N downward buoyant…

Q: Starting from rest, an elevator weighing 8.9kN attains an upward velocity of 5m/s in 4 seconds with…

A:

Q: Find the mass of a body whose weight on Earth is 100 N

A: Given value--- Weight = 100 N . We have to find--- mass of body?

Q: What net external force is exerted on a 1350-kg artillery shell fired from a battleship if the shell…

A: To find:The mass of the artillery shell is given as 1350 kg and it accelerates 2.2 x 104 m/s2 . We…

Q: A clarinetist, setting out for a performance, grabs his 3.210 kg clarinet case (including the…

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Q: A Martian lander is approaching the surface. It is slowing its descent by firing its rocket motor.…

A: When the lander is descending, prior to the firing of the rockets, the only force acting on the…

Q: Determine the net force and acceleration.

A: Mass of the box = M = 100 kg Angle of the inclination = Coefficient of friction = The free body…

Q: What force, in N, does a trampoline have to apply to a 45.0-kg gymnast to accelerate her straight up…

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Q: If a baseball is thrown at 150 m/s² and its mass is 0.50 kg what force is necessary to change its…

A: Introduction :  In this question we are provided with value of mass and acceleration.with these data…

Q: A 10.0 kg object is hanging by a massless rope in an elevator that is traveling upward. The tension…

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Q: Calculate the average force that must be exerted on a 0.145 kg baseball in order to give it an…

A: Given : m = 0.145 kg  a = 130 m/s2

Q: A 403.280 kg car is travelling a down 25-degree. At the instant that the speed of 13 m/s. The driver…

A: Given Data : The mass of the car is given as 403.280 Kg. The initial speed of the car is given as…

Q: Supposing you were in space in a weightless environment, would it require a force to set an object…

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Q: 4.0 kg object has a velocity of 3i m/s at one instant. Eight seconds later, its velocity is (8i +…

A: We know that,First equation of motion :v=u+atand,u=3i^v=8i^+10j^t=8

Q: A 3.00-kg object undergoes an acceleration given by a (2.00î + 5.00j) m/s². Find (a) the resultant…

A: Given : mass of the object, m=3 Kg acceleration of the object, a→=(2 i^ +5 j^ )m/s2   Determine :…

Q: Derive the DE leading to the motion of a body that is subject to both the force of gravity and air…

A: Given information: A body is moving such that it is acted upon by both gravity and air resistance.…

Q: Find the force of gravity, the normal force and the friction force. Solve also for the acceleration…

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Q: As part of an attempt to combine physics and biology in the sameclass, an instructor asks students…

A: Given:- mass (m)=5.2 kg Find:-the apparent weight of the salmon. a)  If the elevator is rest  b) if…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: