A shopper in a supermarket pushes a loaded cart with a horizontal force of 11 N. The cart has a mass of 25 kg. (a) How far will it move in 4.0 s, starting from rest? (Ignore friction.)  m (b) How far will it move in 4.0 s if the shopper places his 30 N child in the cart before he begins to push it?  m

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: the work done is equal to the kinetic energy gained by the ball,

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A:

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: The forces on the ball along the vertical direction will be :The force exerted by the pitcher, F…

Q: A car of mass 910 kg coasts on a level road, starting with an initial speed of 16.1 m/s and coming…

A:

Q: A car is travelling at a constant +15m/s prior to colliding with a wall for 0.25s. After the…

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Q: A 4.0-kg object is moving with speed 2.0 m/s. A 1.0-kg object is moving with speed 4.0 m/s. Both…

A: Given : For object 1 m1=4 kg v1=2 m/s For object 2 m2=1 kg v2=4 m/s Both objects encounter the same…

Q: A unloaded car moving with velocity u on a frictionless road can be stoppėd in 'a distance s. If the…

A:

Q: 4. A car moving at 20.0 m/s crashes into a tree. Find the magnitude of the average force acting on a…

A: Given:           initial speed = 20 m/s                mass = m = 65 kg                Force =…

Q: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

A: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: Let the initial velocity be zero, final velocity be 21.5m/s.Consider the kinematic equation for…

Q: Bank robbers have pushed a 1000 kg safe to a second-story floor-to-ceiling window. They plan to…

A: (a) The robbers lower the safe from the window. Therefore, their initial velocity will be zero. From…

Q: A 0.6 ton motor is moving on a leveled highway at a speed of 108 km/hr. How large is a retarding…

A:

Q: A stationary object is affected by a net force of 32 N for 10 seconds. Since the mass of the object…

A:

Q: After one month of taking a literature class, a first-year Bard student decides to dispose of all…

A:

Q: 60×104 kg.   (a) What force ( in N)  must each engine exert backward on the track to accelerate…

A: Given:- The mass of the engine me = 8.00×104 kg The average mass of the cars is mc = 5.60 x 104 kg…

Q: A force of 1.150×103 N pushes a man on a bicycle forward. Air resistance pushes against him with a…

A: The force of air resistance acts against the force with which the man pushes the bicycle. The net…

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: Step 1It is given that

Q: Besides its weight, a 2.80-kg object is subjected to one other constant force. The object starts…

A: mass = 2.8Kg weight = - 2.8 * 9.8 j^ N  = -27.44 j^ Ninitial speed = 0 m/st = 1.2 secdisplacement =…

Q: 2. After one month of taking a literature class, a first-year Bard student decides to dispose of all…

A:

Q: A teenager is pushing a cart.  There is no friction between the cart and the ground. Mass of the…

A: (1) From Newton’s 2nd law, Here, m and a represent the cart's mass and acceleration of the cart ,…

Q: A car of mass 907 kg coasts on a level road, starting with an initial speed of 14.9 m/s and coming…

A: Given data: Mass (m) = 907 kg Initial velocity (v0 ) = 14.9 m/s final velocity (v) = 0 m/s Time (t)…

Q: A 10 kg block with an initial velocity of 10 m/s slides 10 meters across a horizontal surface and…

A: Given information,mass of block, m=10kginitial velocity  , u=10m/sdistance , s= 10mtime ,  t=2sso…

Q: what is the speed as it leaves her foot traveling in the opposite direction?

A: According to Newton's Second law of motion , we can write that…

Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 13 N. The cart has a mass…

A: Given data: Horizontal force (F) = 13 N Mass of cart (m) = 27 kg Initial velocity (v0) = 0 m/s Time…

Q: A running back (RB) of mass m1 = 98 kg is running at v1= (8.1m/s)ĵ LB towards the end zone. A…

A:

Q: An object of mass 3.00 kg is subject to a net force Fx that varies with position as in the figure…

A:

Q: Shown below is a graph of a force applied to a small object as a function of time. If the object has…

A: We have Force v/s time graph for an object of mass m=5 kg. If we divide the y-axis of the graph by 5…

Q: The IKAROS spacecraft, launched in 2010, was designed to test the feasibility of solar sails for…

A: Given that, Mass of the spacecraft, m=290 kg Force, F=1.12mN=1.12×10-3N Duration, t=6 months=6×30…

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A:

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A:

Q: A teenager is pushing a cart.  There is no friction between the cart and the ground. Mass of the…

A: given: mass of cart m=120 Kg initially at rest pushed with force F = 75 N for t=0 to t=5s

Q: During an Olympic 100-m sprint race, Usain Bolt, the world record holder in that race, quickly…

A:

Q: A 50 N force is applied to a 20 kg cart which was displaced at 150 m from rest on a surface applying…

A: Given that:- m=20 kgF=50-30=20 Na=Fm=2020=1 m/s2s=150 mu=0v=?

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: According to the given condition, the initial speed (u) is zero and the final speed (v) is 22 m/s.…

Q: A dockworker applies a constant horizontal force of 79.0 N to a block of ice on a smooth horizontal…

A:

Q: how far does it travel

A:

Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 10 N. If the cart has a…

A: Given value--- applied force = 10 N. mass = 30 kg. time = 3 sec. initial velocity = 0 m/sec. We…

Q: A dockworker applies a constant horizontal force of 80.ON to a block of ice on a smooth horizontal…

A:

Q: Calculate the force needed to bring a 450-kg canoe to rest from a speed of 10.8 km/h in a distance…

A: The speed in m/s is Using kinematics, The negative sign indicates that the canoe is decelerating.

Q: A car moving at 30 m/s crashes into a tree and stops in 0.25 s. Calculate the force the seat belt…

A: Before finding the force we need to find the acceleration. Once we have acceleration, using the mass…

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 car is initially traveling at a speed of 90 km/h, suddenly brakes so that the speed becomes 36 km…

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Q: A trailer truck enters a 2 percent uphill grade traveling at 66 km/h and reaches a speed of 108 km/h…

A: Given: Mass of cab(mcab)=1800 kgWeight of cab(Wcab)=17658 NMass of trailer(mtrailer)=5400 kgWeight…

Q: A boat and its passengers have a combined mass of 5.10x10^2 kg. The boat is coasting into a pier at…

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Q: A box of mass 2 kg is pushed by a force F = 50N against a fixed ceiling, as shown in the figure…

A: Given: The mass of the object is 2 kg. The applied force is 50 N vertically upward.

Q: 1O C A cart for hauling ore out of a gold mine has a mass of 439 kg , including its load. The cart…

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: