Maria stands on her bathroom scale and records the reading on the scale as her sister drops a 2.0-kg textbook is dropped into her hands. The reading on the scale every 0.05 seconds is recorded on the graph below. Estimate the speed the book was moving before it made contact with Maria's hands.

Q: lan's explanation more appropriate/correct?

A: ⇒If the force on the foot and the force on the ball were equal.Reason- Both the forces are equal in…

Q: An applied force of 89.4N is used to accelerate an object across a friction surface. The object has…

A:

Q: For every action force, which of the following is true? a. There is a net force b.There is a…

A: Required : The true statement.

Q: image

A: Let the mass of the cart be M, the mass of the hanging mass be m, the acceleration of the system be…

Q: A Baseball (m=.140)kg) traveling at 30 m/s moves a fielder's glove backward .35 m when the ball is…

A: Given data The mass of the baseball is given as m = 0.140 kg. The initial velocity of the ball is u…

Q: The diagram above represents the forces exerted on a box that a child is holding. FN represents the…

A: Given : FN = force applied by the child’s hand Fg = weight of the box Fh that is exerted by the box…

Q: Using the Newton's first law, explain why ina.  frictionless environment a car that is under motion…

A:

Q: During a collision between a brick and a glass window, the force that the brick exerts on the window…

A: Answer: (b)equal to the force the window exerts on the brick

Q: Sandra pushes from the front while Shirley pushes a wagon with Heather riding with a net force of 50…

A:

Q: Bonita Cart Bonita is pulling a cart to the right. She does not realize that the cart is tied to a…

A: Given: Mass of cart = 35kg Mass of Bonita = 56 kg Pulling force (F) = 281 Newtons

Q: Draw a force diagram for the person for the part of the jump where the person is in the process of…

A:

Q: In a tug of war, both teams pull each other end of the rope with a force of 200 N. What is the…

A: Given data :- Force applied by each team F = 200 N

Q: An object has zero initial speed. Two forces are acting on it. Force 1, which acts to the right, is…

A: According to Newton's second law  Net force = mass×acceleration So, the acceleration of an object…

Q: A box comes to rest while sliding along a table. Draw a diagram showing the forces acting on the…

A:

Q: Heather & Bryce pull a wagon with some of their toys and play items with a net force of 32-N. The…

A: Given data: Net force (Fnet) = 32 N Combined mass (m) = 20 kg Initial velocity (V0) = 0 m/s Time (t)…

Q: The diagram below shows the forces acting on a rock. The weight of the rock is 76N. An upward…

A:

Q: 22.A vector has a) magnitude only b) direction only c) magnitude and direction d) none of the above…

A: A vector is a term referring to a quantity that has a magnitude and a direction.  Some examples of…

Q: 1. The figure below represents a cart viewed from above being pulled by two children and…

A: Given : F1=8N              F2=10N               f=6N Refer to the figure below :

Q: QUESTION 39 Netwon's First Law of Motion is? Oa. An object in motion tends to stay in motion unless…

A: 39) Newton's first law of motion states that if an object is at rest or is moving with a constant…

Q: Three boxes are connected by ropes of negligible mass, and are being pulled by a force F as shown in…

A:

Q: e is being pulled on in a tug of war. If the left side pulls with 30 N of force and the right pulls…

A: Suppose a rope is being pulled on in a tug of war. If the left side pulls with 30 N of force and the…

Q: 12) A rocket of mass (3000 kg) exerts a force of N 5000 on its engine to move as in the adjacent…

A: According to the Newton's second law,  net force = mass x acceleration

Q: A batter strikes a baseball with a bat. Identify the action-reaction pair and describe the forces…

A: Required : Action reaction pair.

Q: Like normal force, tension is a supporting force that will equal to whatever it needs to be so that…

A:

Q: Estimate the speed the book was moving before it made contact with Maria's hands.

A: Impulse = force * time Again, impulse = change of momentum The force is 450 N and book is caught in…

Q: A motion sensor and a force sensor record the motion of a cart along a track, as shown above. The…

A: The velocity at t = 0.33 s is 0.22 m/s. The velocity at t = 0.37 s is -0.18 m/s.

Q: The figure below shows a hovercraft that "floats" on a cushion of air, allowing it to move freely…

A: Given: The mass of cannonball is mb .            The mass of hovercraft is mh . To find: The minimum…

Q: andra pulls from the front while Shirley pushes a wagon with Heather riding with a net force of…

A:

Q: A lift, with a mass of 250 kg, is initially at rest on the ground floor of a tall building.…

A: When the elevator is moving up with an acceleration, the tension in the chord is T - m g = m a…

Q: When a bus suddenly stops, the bags on the floor moves forward. Which of the following statements is…

A: a. the bus pushes the bags forward: This option is incorrect because once the bus stops, there is no…

Q: Newton's Third Law of Motion 8. A horse pulls forward on a carriage with a given force. By Newton's…

A: The net force of friction by the ground on the (carriage +horse) system acts in the forward…

Q: Using two force sensors, design an experiment to determine the magnitudes and directions of the…

A: Step 1:Step 2:Step 3: Step 4:

Q: This question has 4 questions: A) the acceleration B) The force on B due to A C) The net force on…

A:

Q: Three identical blocks of mass m on a frictionless surface are connected by massless taut strings. A…

A:

Q: A 3.0 kg mass hangs at one end of a rope that is attached to a support on a child's wagon as shown…

A:

Q: We will use a three-wheeled cart on a flat and smooth table. A string is attached to the front of…

A: A push or pull that an object produces on other things is known as force. Because acceleration is…

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: