The driver of a 2,346 kg pickup truck steps on the accelerator to increase its speed from 39 km/h to 50 km/h. If he The distance in which this change in speed occurred was 7 meters, what was the net force exerted on the truck?

Q: A 10-lb rock and a 5-lb rock are dropped simultaneously from the same height.  Some say that because…

A: The time taken by an object when it is released from rest to reach the ground can be given as, t=2hg…

Q: A person exerts a force of +250 N on a large crate, but the crate does not move. What would the…

A: Force:- An external force is an agent that has the power to alter the resting or moving condition…

Q: If the net force on a 10 kg object is 40 N, what can we say about this object? The object will be…

A: Given data:  Mass (m) = 10 kg Net Force (Fnet) = 40 N Required:  Acceleration (a)

Q: A person is pushing on a car with a force of and another person is pushing on a car with a force of…

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Q: Verify the statement that gravitational forces between two charges can be neglected compared to the…

A: Given values:Gravitational constant Coulomb's constant..Charge of an electron is Mass of an electron…

Q: The Distance Travelled By A Moving Body Is Directly Proportional To Time. Is Any External Force…

A: By the second equation of motion : S= ut + 12 at2 S is directly proportional to the time only when…

Q: It takes 10 seconds for a vehicle to stop from a velocity of 98.4 ft/s when the brakes exerted a…

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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 runaway train with a mass of 500kg is stopped by batman. If it runway train starts with an initial…

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Q: A force of 400 N is applied to an object that acceleration at a rate of 5 m/s^2. What is the mass of…

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Q: A 987.6 kg car initially moving at 10.74 m/s starts to slow down and comes to a complete stop in…

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Q: The drag force on a boat varies jointly as the wetted surface area and the square of the velocity of…

A: Given, The drag force on a boat varies jointly as the wetted surface area and the square of the…

Q: Problem 9: A car has a mass of 1010 kg and is moving in a straight line at a speed of 56.1 km/h.

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Q: A 821-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Given: The mass of the car is 821 kg. The initial speed of the car is 0 m/s. The final speed of the…

Q: A 2.3 kg toy car is accelerated from rest by a net force shown in the graph. The approximate speed…

A: By work energy theroem: Work done by force = gain in kinetic energy of toy car Work done by force =…

Q: Three forces act on an object. The first force of 10 N acts East, and the second force of 10 N acts…

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Q: A 2000-kg car traveling at 21 m/s takes 51 m to stop under full braking.  The same car under similar…

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Q: A 3500lb car decelerates from 60mph to 45mph in 8 seconds. Neglecting friction, what is the average…

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Q: An object is moving at 50 m s–1 north. A southerly force acts on it, producing an acceleration of 20…

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Q: The acceleration of the car is 2.5 m/s^2.the mass of the car is 6.8 kg what is the force act on the…

A: The mass of the car is  The acceleration of the car is Find:What is the force acting on the car?

Q: A 500kg car exerts 5,000,000 N of force (5x106 N) on a 100 kg billboard (large advertisement)…

A: According to Newton's third law of motion for every action, there is an equal and opposite…

Q: Given a collision in which car #1 of mass 5,000 kg collided with car #2 of mass 2,500kg . If the…

A: Given data: Mass of the car 1 is, m1 = 5000 kg Mass of the car 2 is, m2 = 2500 kg The magnitude of…

Q: bus accelerates from rest until it reaches a speed of 1000 m/s. Assuming 50 s elapsed and the bus…

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Q: A stone of 1 kg is thrown with a velocity of 20 m s-1 across the frozen surface of a lake and comes…

A: The initial velocity of the stone, u= 20 m/s The final velocity of the stone, v= 0 Distance covered…

Q: Someone (whose mass is 60 kg) is standing on a scale in an elevator that is accelerating upward,…

A: By newtons law we know that net force acting on an object is given by  Fnet=ma Where m is mass of…

Q: It has been found that a 1500 kg car can stop in 32 m from a speed of 20 m/s. How much force do the…

A: The car's motion is, m=1500 kg The initial speed of the car is, u=20 m/s The distance traveled by…

Q: A person pushes a car that was stationary, with a mass of 400 kg, on flat ground, with a force of…

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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 crate with mass 3.7 kg initially at rest on a warehouse floor is acted on by a net horizontal…

A: Mass, m = 3.7 kg Force, F = 5.9 N Time, t = 3.8 s Initial velocity, u = 0 Distance travelled, s = ?

Q: What is the net force (in N) on the car during its deceleration?

A: Newton's Second Law of Motion According to Newton's Second Law of motion, the rate of change of…

Q: A cup of coffee has a mass of 0.231 kg. If you place this cup of coffee on a desk and let is sit…

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Q: A 845-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Find acceleration of the car during this period,

Q: A woman of 67 kg is held firmly in her seat by her seatbelt during a collision. The car deccelerates…

A: We know that,     Acceleration= (final velocity-initial velocity)÷ time   And,                Force…

Q: A car of mass 6000 kg moving at 40 m/s is suddenly brought to a stop when a deer crosses the road.…

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Q: 2000-kg car traveling at 23 m/s takes 54 m to stop under full braking.  The same car under similar…

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Q: A pig of mass 500kg stands in an elevator. The normal force exerted on the pig by the elevator floor…

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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!