A 3500 kg race car starts a race with an acceleration of 21 m/s?. What is the net external force on it?

Q: What is the acceleration of a 600 kg buffalo if the net force on the buffalo is 1800 N?

A: solution is given as

Q: Suppose you have a 120-kg wooden crate resting on a wood floor. If you push with a force of 589 N,…

A: Given data Mass of the crate, m=120 kg Force, F=589 N

Q: A 5kg dog has several balloons tied to it, applying 20 N of upward tension force. How much normal…

A: Mass of the dog M=5 kg The upward tension T=20 N The free body diagram of the dog and balloons are…

Q: An 8000-kg engine pulls a 40 000-kg train along a level track and gives it an acceleration 2.4…

A: Mass of engine M=8000 kg, mass of first train M1=40000 kg, acceleration of first train a=2.4 m/s2…

Q: a 2000-kg car initially at rest is held by a friction force that can resist up to 1200 N. If the…

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Q: What is the weight in Newtons, of a (a) 123 lbs person? (b) 186 lbs person?

A:

Q: Your shopping cart has a mass of 65 kilograms, In order to accelerate the shopping cart down an…

A: mass of shopping cart = M M = 65 Kg acceleration of shopping cart = 0.3 m/s2 Force required = F

Q: A parol (Christmas lantern) made of bamboo sticks and covered in colored paper is hung on a string…

A: Given  Mass of the parol m=100g=1001000kg=0.1kg     To find  Tension T in the string

Q: A golf ball with a mass of 0.046 kg is accelerated from rest to 67 m/s in 0.0063 seconds. What force…

A: mass (m) = 0.046 kg initial velocity (u) = 0 msFinal velocity (v) = 67 mstime (t) = 0.0063 seconds…

Q: Sam pulls a 5 kg box with a force of 40 N and the box accelerates across the ground at 0.3 m/s?.…

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Q: A 63.0-kg sprinter starts a race with an acceleration of 4.20 m/s. What is the net external force on…

A: Given:- Mass=63 Kg To find:- Net force on the body

Q: What acceleration will result when a 80 N force is applied to a 6.4 kg object?

A: We know F=ma   F=force= 80 N m= mass = 6.4 kg a=acceleration

Q: What net force is required to make a 3.0 kg object continue traveling at a constant speed of 2.0…

A: Data given ,  Mass of object (m) = 3 kg Speed = 2 m/s  We know that , Net force ( F ) = ma  Where ,…

Q: A 57 kg Physics student is standing on a bathroom scale inside an elevator. While going down, the…

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Q: A 50 kg skydiver is falling downwards and accelerating 6 m/s? down. What is the net force on the…

A: The force is calculated as F =ma where m is the mass and a is the acceleration. The direction of…

Q: A 150-g fish is swimming toward its food with an acceleration of 2 m/s/s. If the amount of friction…

A: Given that Mass m = 150 g Acceleration a = 2 m/s2 Friction force of water is f = 2 N

Q: what is the net force experienced by a 20 N book sitting on a desk with a 30 N object on top of it

A: Newton’s law of motion: For every action there is an equal and opposite reaction.Free body diagram:

Q: A skydiver of mass 80.0 kg jumps from a slow-moving aircraft and reaches a terminal speed of 50.0…

A: solution: given that m = 80 kg terminal speed of 50.0 m/s a) What is her acceleration when her speed…

Q: In order for a 60 kg runner to accelerate at 8 m/s^2, what must be the frictional force between her…

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Q: What is the force on a 1000 kg elevator that is falling freely at 9.8 m/s ?

A: Given data The mass of the elevator is m=1000 kg The accleration during the free fall is a=9.81 m/s2…

Q: How much net force is required to keep a 50 - kg object moving rightward with a constant velocity of…

A: Given that  Mass m = 50kg  V= 5 m/s

Q: If a 870 kg car accelerates at 4.35 m/s2, what is the net force that the car is producing at the…

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Q: A 4 kg mass has just two forces acting on it. One is 10 N up and the other is 10 N down. What is the…

A: given:-  m= 4kg Force acting in up direction = 10N Force acting in down direction = 10 N

Q: Wearing frictionless roller skates, you push horizontally against a wall with a force of 50 N. How…

A: The given value of the applied force against the wall is,

Q: The coefficient of friction between a 40kg piano and the ground is 0.85. What will the piano's…

A: Given, Mass, m=40 kg, Coefficient of friction, μ=0.85, and Force, F=450 N.

Q: a 75 Kg person stands on a scale that reads 500 Newtons, The person is pulling on a rope that is…

A:

Q: If a baseball (m=.450 kg) is hit with a force of 1700 N, what is the baseball's acceleration  in…

A: Given: mass of baseball, m = 0.450 kg Force with which it is hit, F = 1700 N

Q: The net horizontal force on a 56000 kg railroad boxcar is 5800 N. What is the acceleration of the…

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Q: What is the weight of a 45-kg boulder if it is brought to a place where the acceleration due to…

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Q: A 4500-kg helicopter accelerates upward at 2 m/s?. What lift force is exerted by the air on the…

A: given, Mass of the helicopter, m = 4500 kg. The acceleration of the helicopter, a = 2 m/s2 The force…

Q: A certain cable of an elevator is designed to exert a force of 4.5 × 10^4 N. If the maximum…

A: Fmax=mamax+g     m=Fmaxamax+g

Q: What horizontally-applied force will accelerate a 400-kg crate at 1.5 m/s2 across a factory floor…

A: The mass of a crate is, m=400 kg The acceleration of a crate is, a=1.5 m/s2 The frictional force…

Q: You work at a garden store for the summer. You lift a bag of fertilizer with a force of 122 N, and…

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Q: A 1 200-kg automobile moving at 25 m/s has the brakes applied with a deceleration of 8.0 m/s2. How…

A: Using kinematic equation, the expression for find distance is v2=u2+2add=v2-u22a

Q: The mass of a subway car and passenger is 40,000 kg. If its acceleration as it leaves a station is…

A: Mass M = 40,000 kg Acceleration a = 0.9 m/s2

Q: What is the net force acting on a car cruising at a constant velocity of 70 km/h (a) on a level road…

A: The velocity of the car,

Q: A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of…

A: Given:- F = 100N Ө = 37 M = 40kg A = ?       Equation of motion

Q: What is the net force of a 1.0 N force and an 6.0 N force acting on an object for forces in opposite…

A: The magnitude of net force is equal to the vector sum of the two forces.

Q: A 2000 kg car in an action movie is skidding sideways and slowing down at a rate of -2.5 m/s?. What…

A: Here car is moving on horizontal surface so Normal reaction offered by ground will be equal to the…

Q: you push a 5 kg box across a level floor with a force of 15 N, and there is no friction, how fast…

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Q: What is the force put onto a 4100 g box that has an acceleration of 1.1 m/sº?

A: Given data: Mass of box (m) = 4100 g = 4.1 kg Acceleration (a) = 1.1 m/s2 Force (F) =?

Q: A force of 2.7 N is exerted on a 5.7 g rifle bullet.  What is the bullet's acceleration?

A: Given data The force exerted on the bullet is F = 2.7 N The mass of the rifle bullet is m = 5.7 g =…

Q: A 2-kg object is moving horizontally with a speed of 4 m/s. How much net force is required to keep…

A: By Newton's First law, when there is no external force applied, the state of motion remains…

Q: A 1000.0 kg car accelerates uniformly to double its speed from 13.7 m/s in 4.76 s. What net force…

A: Given data: Mass of the car m =1000.0 kg speed, u =13.7 m/s Time t =4.76 s

Q: In an experiment performed in a space station, a force of 60N causes an object to have an…

A: