A small cactus has fallen out of a plane. As it falls, it eventually reaches a constant velocity of 100 m/s due to an air resistance of 2 N. What is the weight of the cactus? * 200 g 98 kg 2N 200 N

Q: In the lab, a force was applied to the ball to get it moving at a constant velocity. Two different…

A: Given- The magnitude of force applied on the ball , in trial 1 , F1 = 3.0 N Duration of time , for…

Q: A 200 kg coal bag is lifted by a crane from a Coal-mine with an acceleration of 5 m/s^2. The force…

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

Q: A body of mass 5 kg is dropped from a height of 100ft with zero velocity. Assuming no air…

A: Solution: Given that m  = 5 kg h  = 100 ft vi = 0 m/s

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: Sarah stands on a bathroom scale inside an elevator. Sarah's mass is 50 kg. What does the scale read…

A: Given Mass is m=50 kg Acceleration due to gravity is g=9.80 m/s2 Uniform Velocity of elevator is…

Q: A constant force of 200N is required to accelerate a 1600-kg trailer from rest to a speed of 25 m/s.…

A: Write the given values with the suitable variables. F=200 Nm=1600 kgu=0 m/sv=25 m/s Here, F is the…

Q: A 200 kg coal bag is lifted by a crane from a Coal-mine with an acceleration of 5 m/s^2. The force…

A:

Q: A 50 kg crate of puppies is accelerated 7m/sec2 down the street their new home how much force was…

A:

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: A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. The…

A: Given data     The mass of the blocking sled, m = 60 kg Let F be the required force.

Q: A ball with mass 0.15 kg is thrown upward with initial velocity 20 m/s from the roof of a building…

A:

Q: ball of 100 kg is dropped from an upper-story dorm window . Neglecting air resistance , what is the…

A: Write the given values of this problem. m=100 kgy=25 m

Q: Someone holds the block on the table at rest. Once he releases the block, the block may accelerate…

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Q: A cart moving across a level surface accelerates uniformly at 1.0 m/s² for 2.0 s. What additional…

A:

Q: 2. A 5.0 kg flying squirrel is flying from a tree to the ground at constant velocity. Consider air…

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Q: An airplane starts from rest on the runway. The engines exert a constant force of 78.0 kN on the…

A: Given : Initial speed of the plane, u = 0 m/s Final speed at time of take off, v = 64.6 m/s Force…

Q: A teacup fell was left on the wing of a fighter jet and did not fall until the jet was already very…

A: When object falls with a constant velocity the drag force on it is equal to the gravitational force…

Q: A 8.0 kg box begins at rest on the ground. The coefficient of static friction between the box and…

A: Given  Mass m = 8 kg  Force F = 50 N

Q: Free fall An object in free fall may be modeled by assuming the only forces at work are the…

A:

Q: 4.6 kg toy race car can move along an x axis. The figure below gives Fx of the force acting on the…

A: Given, Mass of toy car ,m = 4.6 kg The graph of Fx vs t. We know that area under acceleration vs…

Q: The graph shows the speed of from breaking at 10 s. a 2360.0 kg car as it slows down after the…

A:

Q: In a performance test, each of two cars takes 9.6 s to accelerate from rest to 26 m/s. Car A has a…

A: According to Newton's Second Law of Motion, the net force acting on the object is equal to the…

Q: A 7-kg box slides across a frictionless surface.  If a 50 N force is applied on it, find its…

A:

Q: In the figure, two wooden blocks each of 0.50 kg mass are connected by a string that passes over a…

A: Mass = 0.5 Kg

Q: An object moves in the absence of a net force. Which of the following statements best describes the…

A:

Q: 2nd Law of Motion [Chosse] [ Choose ] Inertia the resistance of an object to a change in motion a…

A: Dear student The following are the statements of Newton's Laws: 1st Law: It states that if an object…

Q: In a performance test, each of two cars takes 8.6 s to accelerate from rest to 26 m/s. Car A has a…

A: From kinematics equation:

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: A rope is tied to a 5 kg box on frictionless surface. What is the tension in the rope if the box in…

A: Given, the mass of the box is =m=5 kg acceleration of box=a=4.3 m/s^2 let tension on the rope is T N

Q: A 10 kg object initially at rest is subjected to the time-varying net force in the graph. What is…

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Q: Tanya is at rest on a stationary raft. She jumps off the raft with an acceleration of 2.85m/s^2 [W].…

A:

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 person with a mass of 75.0 kg stands on a scale in an elevator. What does the scale read when (a)…

A: (a) Take the upward direction to be positive. The forces acting on the person are the weight of the…

Q: A 0.8 kg toy car is accelerated from rest by a net force shown in the graph. The approximate speed…

A: The work done or the energy used is calculated by using the formula W=Fd , where F is the force…

Q: On aircraft carriers, catapults are used to accelerate aircraft to flight speeds in a short…

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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: For a certain interval of time, an object is acted on by a constant non-zero force. Which of the…

A: Given data:  A constant non-zero force is acting on the object for certain interval of time…

Q: A 1.0 kg rock is thrown upward with an initial speed of 20 m/s. Assuming no air resistance, the net…

A: mass = 1 kg initial speed = 20 m/s At the instant when it reaches the maximum height , the net force…

Q: A box of mass 21 kg moves with a constant velocity of (4, 8, –4) m/s. Three forces are exerted on…

A: Given data:  Velocity of box is constant F1→ =1, 0, 3 NF2→ =-5, -1, 19 N Required: Third force

Q: Alistair places a 6.40 kg block on an inclined plane that is 23° above the horizontal. The block…

A: Mass of block (m) = 6.40 kg θ = 23otime (t) = 2.20 secondsInitial velocity (u) = 0 msdistance…

Q: A 0.10-kg ball slides on a frictionless wire along the x-axis. It is acted upon by a force Fx, which…

A: From the graph, the force at t=10s is 0.1N. The equation for the velocity of the ball can be…

Q: 60 kg block is pushed by a horizontal force causing the block to accelerate by 1 m/s2. The block has…

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Q: Q3: * 60° The diagram above shows a box with mass m = 10 kg held at rest by an applied force (F)…

A: Given data: mass (m) = 10 kg The block lies on the inclined plane so the weight of the block have…

Q: rain rolls to a stop along a horizontal track without the conductor applying the brakes. What answer…

A: The answer is below

Q: An object is at rest on a table. The earth is pulling this object down with a force of magnitude m ·…

A: Given: An object is placed on the table  Earth pulling this object with a force of magnitude = m.g

Q: A student throws an object of mass m straight up in the air with initial velocity vo, and the object…

A: We know at the highest point of the ball's movement its increasing speed is descending at 9.8 m/s 2.…

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: