If it takes a human cannonball 1.8 s to exit a 1.9 m long cannon and the average net force acting on the performer is 159 N, what is the performer’s mass?

Q: 1,050 N sky diver has opened his parachute to slow his descent to a constant speed the parachute…

A: According to Newton's second law F = ma

Q: A 10-kg object is moving horizontally with a speed of 3 m/s. How much net force is needed to keep…

A: M= 10kg  Moving with 3 m/s

Q: A 1100 kg car speeding at 90 km/h is brought to a stop in a distance of 30m . Compute the average…

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Q: The cabinet has a mass of 100kg. It therefore has a normal force of _________ N and a friction force…

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Q: A 2500 kilogram truck is moving initially with a velocity of 10.00 meters per second. To change its…

A: Given: Mass of truck, m=2500 kg Initial velocity, u=10.00 m/s Final velocity, v=20.00 m/s Time…

Q: A force produces 3 m/square second acceleration to a 4 kg ball. The mass of the ball whose…

A: A force produces acceleration  of 3 m/s2 in 4 kg ball. We need to find how much is the mass of a…

Q: A 2000 kg car increases its speed from 2 m/s to 8 m/s in 3s on a rough road, while the engine…

A: Given,  m = 2000 kg  u = 2 m/s  v = 8 m/s  Forward Force F = 6940 N  Now the free body diagram of…

Q: A force of 500 N acts for a time interval of 0.001 s on an object of mass 2 kg that was initially at…

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Q: An object of mass m sits on a flat table. The Earth pulls on this object with force mg, which we…

A: Newtons third law states that for every action there is an equal and opposite reaction. Here earth…

Q: You swing a bat and hit a heavy box with a force of 1600 N. If the box moves when you hit it, the…

A: Given data: The force exerted by the bat on the box F = 1600 N

Q: A 2500 kilogram truck is moving initially with a velocity of 10.00 meters per second. To change its…

A:

Q: A force produces 3 m/square second acceleration to a 4 kg ball. The mass of the ball whose…

A:

Q: A projectile fired into frictionless space will need how much force to keep it going? Select one:…

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Q: A 10 g bullet leaves the 0.75 m barrel of a gun with 250 m/s speed. The force exerted on the bullet…

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Q: What net force is required to make a 15kg box move at a constant speed of 2.0m/s .

A: Answer :- Given Mass of a box (m) = 15kg Speed ( V) = 2 m/s  Therefore  The box move at a constant…

Q: If an object has a mass of 5slugs at sea level, what would its mass be at a location where the…

A: Given  Mass (m) = 5 slugs    ; at sea level    Acceleration due to gravity at  an unknown location (…

Q: A 20 kg object is having an acceleration of 4 m/s in the North direction; the net force acting on…

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Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 15.0 N. The cart has a…

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Q: A 3.5_kg frog sits on a 8.1_kg block of wood which is itself on a 94 kg slab of concrete on the…

A: Given: Mass of the frog is 3.5 kg. Mass of the block of wood is 8.1 kg. Mass of the slab is 94 kg.

Q: Which of Newton's three laws does the following situation illustrate? A guy pushes on a wall and…

A: A guy pushes the wall and feels the wall pushing back on him: In this case, Newton's third law of…

Q: According to the Guinness Book of World Records, the fastest recorded baseball pitch was delivered…

A: Given: The velocity is v=45 m/s. The time is t=0.2 s. Let the mas of the ball is m. The expression…

Q: If the normal force (N) acting on the object in the figure is 75 N, the mass (m) of the object is…

A: From the figure weight is balanced by the normal force i.e weight=Normal force mg=N where g=…

Q: A net force of 1.0 N acts on a 2.0 kg object, initially at rest, for 2.0 sec. Find the distance it…

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Q: A 2500 kilogram truck is moving initially with a velocity of 10.00 meters per second. To change its…

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Q: A constant net force of 700.0 N moves a 1,000.0-kg car 100.0 m. If the car was initially at rest,…

A: Given data: Net applied (F) = 700 N Mass (m) = 1000 kg Distance (d) = 100 m Need to determine the…

Q: A person is skiing in a horizontal snow surface with a net acceleration of 0.2 meters per second per…

A:

Q: A football player kicks a football with a force of 400 N, north direction. The football hits the…

A: Given : Force by which football player kicks the football = 400 N

Q: Several boxes were placed on top of a table and stacked on each other. The masses are the following:…

A: The free-body diagram of the 2 kg box is shown below. Here, N denotes the normal force exerted on…

Q: In Newton’s Third Law, the action and reaction forces   Question 10 options:   A)  are only equal…

A: Required: The facts about the Newton's Third Law

Q: The net force acting on the vehicle is 15,000 N. The car is accelerating 2.0 m/s. Use the formula…

A: Given :  F = 15000 N a = 2 m/s2

Q: The statement that the resultant of the external forces on any system of masses equals the total…

A: Newton's law of motion is widely used in all physics applications, even all physics is constructed…

Q: When a net external force is applied which of the following could be true Group of answer choices…

A: Let m be the mass of the object.  Given , the object experiences a net external force F(net)

Q: The law that states that net force must be equal to zero for a body to be at rest or in the state of…

A: The law that states that net force must be equal to zero for a body to be at rest or in the state of…

Q: Which law has this statement? “An object either remains at rest or continues to move at a constant…

A: A physical quantity related to the property of an object to resist changes in its motion is called…

Q: Three objects whose masses are 2.0 kg, 3.0 kg and 4.0 kg are joined by strings as shown. The 2 kg…

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

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Q: A 50 kN truck travelling with a speed of 50 kph hits a lamp post and is brought to rest in 0.1…

A: The expression for the average force is, Favg=m∆v∆t

Q: Equilibrium is the state when A. Net force acts on an object is zero. B. net force…

A: Required : Definition of equilibrium

Q: On a snowy road, a driver applies a braking force of 6017 N on his 1174 kg car. The car travels…

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Q: force has an object that is free to move. If we know the magnitude and the direction of the force…

A: force has an object that is free to move. If we know the magnitude and the direction of the force…

Q: As shown in the figure, the mass of the block is 214 kg. If Fappi= 59.4 N and Fapp2=38.7 N, find the…

A: Given: m =214kgF1 =59.4 NF2 =38.7 N

Q: If no net external force acts on an object which of the following is true Group of answer choices…

A: According to first law of newton, An object remains at rest or in motion with constant velocity,…

Q: A net force of 20 N exerted on a wooden block produces an acceleration of 4 m/s. The mass of the…

A: F = 20 N a = 4 m/s2

Q: A ball with a mass of 0.25 kg hits a gym ceiling with a force of 78.0 N. What happens next?  a. The…

A: Given values-  Mass of ball=m =0.25 kgForce=F =78 N As we know-  Acceleration due to gravity=g=9.8…

Q: A car with a mass of 1,450.0 kg accelerates from 0 to 73.0 km/h in 11.0 s. (Enter the magnitudes.)…

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Q: A bowling ball weighing 70.0 N initially moves at a speed of 5.00 m/s. How long must a force of 45.0…

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Q: A 2500 kilogram truck is moving initially with a velocity of 10.00 meters per second. To change its…

A:

Q: In the three-legged table, the far leg is at x = ℓ/3.  Calculate (in pounds) the support force in…

A: I have taken help of figure which was asked by you a moment ago. Given, weight= 91 Lb w= 4 ft l= 11…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!