A man pulling an empty wagon causes it to accelerate at 1.4 m/s2. What will the acceleration be if he pulls with the same force when the wagon contains a child whose mass is three times that of the wagon?

Q: Alice is pushing a 20 kg cart to the left, Bob is pushing back to the right. The cart is moving at a…

A: Alice is pushing a 20 kg cart to the left, Bob is pushing back to the right. The cart is moving at a…

Q: A boat moves through the water with two forces acting on it. One is a 1800 N forward push by the…

A: force on boat ,F = 1800 Nrestive force on boat ,f = 1000 NMass of the boat is ,m =  1300 Kg

Q: A 2-kg body of mass is moving on a horizontal frictionless surface with a velocity of 4 m/s. What is…

A: Mass of body (m) = 2 kg velocity (v) = 4 m/s time (t) = 5 seconds

Q: wooden table. If you apply a horizontal force of 3 N to the block. Using your knowledge of friction…

A: Mass(m) = 0.1 kg Applied force (F) = 3 N

Q: The driver of a Bugatti Veyron experiences a force of magnitude 792 N while accelerating from rest…

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Q: An Object with a mass of 6.2 kg accelerates 12.3 m/s2 when an unknown force is applied to it. What…

A: Given value--- mass = 6.2 kg. acceleration = 12.3 m/s2  . We have to find--- force ?

Q: What is the magnitude of the net force needed to bring a 2085 kg car to rest from 25.6 m/s in 9.3…

A: Solution: Given that mass m= 2085 kg vinitial = 25.6 m/s time t = 9.3 s to find the force required

Q: A car of mass 250 kg, is accelerated from rest by a net force of 400 N for 20 s.  After this, the…

A: Given: Mass (m) = 250 Kg  time (t1 ) = 20 s  Force (F1) = 400 N  Force (F2) = 100 N

Q: A 2550 kg car traveling to the north is slowed down from an initial velocity of 19.5 m/s by a 5750 N…

A: Using newtons second law  Fnet=ma  And using first equation of motion  V=u+at

Q: An 940 kg dragster, starting from rest, attains a speed of 29.4 m/s in 0.4 seconds. What is the…

A: Concept

Q: A 4500 kg jet reaches a takeoff velocity of 70 m/s after accelerating from rest for 700 m down the…

A: The problem is asking us to determine the net force required by the jet's engines in order to…

Q: Spongebob and Patrick are driving their car that has a mass of 1550 kg. They are driving at a…

A: Write the first kinematic equation and susbtitute the corresponding values to calculate the…

Q: A child’s model boat, when placed in a creek, accelerates from rest at 1.51 m/s2. If the river is…

A: Initial velocity = 0 msAcceleration (a) = 1.51 ms2Force (F) = 0.79 N

Q: Some rubber bands pulling on an object cause it to accelerate. If 4 rubber bands cause it to…

A: Given data:  The acceleration due 4 rubber bands a = 1.80 m/s2

Q: An elevator has a scale that measures the normal force between the contents and the floor. What…

A: Given:Mass,m= 960 kg Accelerating,a=1.5 m/s2Find  force will the scale.Now, Now,The elevator is…

Q: A child of mass 22.0 kg runs and slides across the ice in a skating rink.  Initially she is moving…

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Q: A vendor pulls a 250 N cart filled with pop cases so that it rolls along a level floor where the…

A:

Q: A double trailer combination on the highway consists of two 23500 kg trailers towed by a 12500 kg…

A: Given data:  The mass of one trailer (m) = 23500 kg The mass of tractor truck (M) = 12500 kg…

Q: A soccer player starts from rest and accelerates forward, reaching a velocity of 9.00 m/s in 3.00 s.…

A: The equation of motion is, v = u + at9m/s =0+a3.0sa=3m/s2

Q: A driver in a 1500-kg car driving at 10.0 m/s gently presses the brakes momentarily. The brakes…

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Q: Some rubber bands pulling on an object cause it to accelerate. If 5 rubber bands cause it to…

A:

Q: A 10 kg block on a frictionless surface is pushed to the right by a force of 70 N and to the left by…

A: Given data:  Mass (m) = 10 kg F1 = +70 N F2 = -30 N Required: The acceleration (a)

Q: What is the bullets acceleration?

A: Given:- The force on the bullet = 3.9 N  The mass of the bullet is m = 6.2 g = 6.2 x 10-3 kg  Find:-…

Q: A flea jumps by exerting a force of 1.32 × 10-5 N straight down on the ground. A breeze blowing on…

A: Given Force exerted by the flea on the ground is Fflea=1.32×10-5 N Force due to the breeze parallel…

Q: An object is found to accelerate at 4 m/s2 over a frictionless surface when a force of 20 N is…

A: Given Acceleration of object  a = 4 m/s2 Force applied F = 20 N To find mass of object

Q: omobile of mass 2500 kg moving at 50.0 m/s is braked suddenly with a constant braking force of 8500…

A:

Q: A force of 39 N accelerates a 3.0 kg block at 4.2 m/s7 along a horizontal surface. What is the…

A: Given data:  Force applied (F) = 39 N Mass (m) = 3.0 kg Acceleration (a) = 4.2 m/s2 Required: The…

Q: A flea jumps by exerting a force of 1.17 x 10-5 N straight down on the ground. A breeze blowing on…

A:

Q: You are a 51.5 kg swimmer, swimming with an initial speed of 1.25 m/s.  You decide to coast until…

A: Mass, m = 51.5 kg Initial speed, u = 1.25 m/s Final speed, v = 0 Distance, d = 2.20 m

Q: A 1,000 kg car traveling along the highway at 30 m/s slows to 10 m/s in 5.0 s. The magnitude of the…

A: Given, Mass of the car, M=1000 kg Initial velocity, u=30 m/s Final velocity, v=10 m/s Time taken,…

Q: A race car of mass 710 kg accelerates 4.8 m / s2. What is the force acting on the car?

A: The force acting on the car can be represented by Newton’s 2nd law as, Here, m and a represent the…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”