How long would it take for a net upward force of 100.0 N to increase the velocity of a 50-kg object from 100.0 m / s to 150.0 m / s?

Q: The total force on an object is ( 20 ı ^ + 40 ȷ ^ ) Newtons.  Its acceleration is ( 4 ı ^ + 8 ȷ ^ )…

A: The magnitude of the total force is: The magnitude of the acceleration of the object is:

Q: An object with a mass of 1.95 kg is initially at rest upon a horizontal, frictionless surface. An…

A: Given data The mass of an object is m = 1.95 kg The initial speed of the object is u = 0 m/s The…

Q: An archer pulls a bowstring back a distance of 20 cm with an average force of 85 N. The arrow has a…

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Q: A bowling ball weighing 61.5 N initially moves at a speed of 4.00 m/s. How long must a force of 42.5…

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Q: object has a velocity (3.5 m/s)i + (-4.76 m/s)j + (4.68 m/s)k. In a time of 3.21 s its velocity…

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Q: A 2.0-kg brick is moving at a speed of 6.0 m/s. How large a force F  is needed to stop the brick in…

A: a=dv/dt dv= change in velocity = 6.0 m/s dt=0.7 s a=6.0/0.7=60/7 m/s^2

Q: A person traveling in a 2,000 kg car at a constant speed of 40.0 m/s applies the brakes, causing a…

A: Given:Mass of the car = 2,000 kgInitial speed of the car = 40 m/sFinal speed of the car = 0Force…

Q: A box of mass 6.2 kg slides 4.8 m down a ramp that is inclined 38 degrees to the horizontal. What is…

A:

Q: The block of mass m = 2 kg is released from the rest on the incline. If 0 = 15°, what is the…

A: mass of block (m) = 2 kg θ = 15 degree t = 2 seconds μs = 0.3μk = 0.2

Q: Papa Smurf (whose mass is 1kg) is sliding at 1.0 m/s over an icy pond that has no friction.  A force…

A: From Newton’s 2nd law, the expression of the force is given as, Here, m and a represent the mass…

Q: Dale, Mel, and Shanelle are astronauts on a spaceship. They each have the same mass and the same…

A: In outer space, the net force acting on any system is always zero. Since Dale, Mel and Shanelle are…

Q: A small rocket of weight 0.3 lbs is launched vertically with thrust 3 lbs from a stand on the ground…

A:

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 25 kg object at rest experiences 250 N of force for the duration of 0.35s. What is the final…

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Q: A force F= (-2Nm)xi+(4Nm2)x2j-8Nk and a second force F=(-4Nm2)x2j-8Nk are applied to a 4 kg object…

A: A force F= (-2Nm)xi+(4Nm2)x2j-8Nk and a second force F=(-4Nm2)x2j-8Nk are applied to a 4 kg object…

Q: Carol wants to move her 32 kg sofa to a different room in the house. She places “sofa sliders,”…

A: Since the sofa is moved with steady speed, the applied force equals the friction.

Q: a heavy ball has a mass of 67.6 is hit. a boy hits this ball with a large stick, which gives it an…

A: Given:-  The mass of the ball is m = 67.6 kg. The initial velocity of the ball is v = 92.0 m/s.  The…

Q: 2. Refer to figure 1 of an object's velocity vs. time plot. Calculate your best estimation of the…

A: GivenHere the velocity profile of the object is given in question.Provided the mass of the object is…

Q: A box of mass 7.3 kg is slid along the floor. The initial speed of the box is 6 m/s and it comes to…

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Q: A 148-Newton horizontal force is exerted upon a 3-kg box to move it across a level surface at a…

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Q: Your mass is 94.9 kg, and the sled s mass is 21.8 kg. The sled is moving by itself on the ice at…

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Q: A 8.0 kg block is moving at 3.2 m/s. a net force of 10 N is constantly applied on the block in the…

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Q: What average force is required to stop a 1800 kg car in 9.0 s if the car is traveling at 90 km/h ?

A: Given: A 1800 kg car traveling at a speed of 90 km/h.

Q: A 10 kg object starts from rest and achieves a speed of 20 m/s in 10 s. How much force (in N) acted…

A: Mass of the object m=10 kg The initial speed of the object u =0 m/s The final speed of the object v=…

Q: A 1640-kg car is traveling with a speed of 17.6 m/s. What is the magnitude of the horizontal net…

A: Given data:  Mass (m) = 1640 kgInitial velocity (v0) = 17.6 m/sFinal velocity (v) = 0 m/sDistance…

Q: A baseball catcher is performing a stunt for a television commercial. He will catch a baseball (mass…

A: It is given that,

Q: A child with mass of 16.5 kg stands on the edge of a park bench and leaps into the air. Her initial…

A: The horizontal component of velocity is always constant as there is no acceleration in the…

Q: A 2000.0 kg car is slowed down uniformly from 20.0 m/s to 5.00 m/s in 4.00s. What average force was…

A: Given information: The mass of the car (m) = 2000 kg The initial velocity of the car (u) = 20 m/s…

Q: A 60 kg object traveling at a speed of 80 m/s is suddenly brought to rest in a time of 0.4 seconds.…

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Q: A 5 kg block is given an initial velocity of 10 m/s. If there is a friction force of 13 N opposing…

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Q: A 0.052 kg golf ball leaves the face of the club at 24.67 m/s to the right.If the force acted on the…

A: Average force is given asFavg=∆p∆tso ∆t=∆pFavg⇒∆t=mvFavg∆t=52*10-3*24.67498.2∆t=2.57*10-3 Sec

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: A clever coyote uses rocket powered skates to try to catch a roadrunner. The mass of the coyote is…

A:

Q: A horizontal force of 12 N pushes a 0.50-kg book against a vertical wall. The book is initially at…

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Q: A bowling ball weighing 54.0 N initially moves at a speed of 5.60 m/s. How long must a force of 36.0…

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Q: In a head-on collision, a car stops in 0.14 ss from a speed of 11 m/sm/s . The driver has a mass of…

A:

Q: An automobile of mass 2 000 kg moving at 30 m/s is braked suddenly with a constant braking force of…

A: Given Mass (m)            = 2000 kg Initial speed (u) = 30 m/s Force (F)            = 10000 N

Q: A 866-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Given:

Q: A 1500 kg car is pushed with 3000 N of net force from rest to a final velocity of 28 m/s.  How far…

A:

Q: A lump of clay of mass 0.31 kg is dropped from a height of 8.1 m. The clay comes to a full stop…

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Q: A student pushes a 12-kg block on a frictionless, horizontal surface If the block is initially at…

A:

Q: A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is…

A: Acceleration is,

Q: Mary applies a force of 77 N to push a box with an acceleration of 0.55 m/s2. When she increases the…

A:

Q: In a fit, a toddler throws straight down his favorite 1.5 kg toy with an initial velocity of 2 m/s.…

A:

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: