When a batted baseball moves with air drag, when does the ball travel a greater horizontal distance? (i) While climbing to its maximum height; (ii) while descending from its maximum height back to the ground; (iii) the same for both. Explain in terms of the forces acting on the ball.

Q: If the object of mass 35 kg accelerate on the horizontal plane 7 m/s^2 . Find the net force on the

A: Mass of object (m) = 35 kg Acceleration (a) = 7 m/s2

Q: A 13-N weight and a 12-N weight are connected by a massless string over a massless, frictionless…

A: Given:               g= Acceleration due to gravity               mass A 'mA' = 13g kg…

Q: A 58 kg and a 87 kg skydiver jump from an airplane at an altitude of 6150 m, both falling in the…

A: Solution 8. first part given that Ma = 58 kg and MB = 87 kg , h = 6150 m Also given that  density of…

Q: An object is falling freely under gravity. How much distance will it travel (15m, 25m 2nd and 3rd…

A:

Q: A ball is thrown up into the air. Ignore air resistance. When it is rising and reaches half of its…

A: Given : A ball is thrown up into the air. To determine : Net force when the ball reaches half of its…

Q: You are pushing a large crate from the back of a freight elevator to the front as the elevator is…

A: Elevator system

Q: The rocket moves in a vertical plane and is being propelled by a thrust T of 32 kN. It is also…

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

Q: The 300-Mg jet airliner has three engines, each of which produces a nearly constant thrust of 240 kN…

A:

Q: Time left 0:28:39 Question 4. An elevator cab and its load have a combined mass of 1.1 kg. When the…

A: m = 1.1 kg vi = 2 m/s vf = 0 m/s ∆y =5.4 m   m→Total mass of the elevator cab with the load vi…

Q: A 4-lb body moves in a straight line on horizontal plane whose coefficient of friction is 1/4. The…

A: Acceleration:dvdt = advdsdsdt = a(dsdt = v)dvdsv = a This equation can be used to find acceleration…

Q: A freight train has a mass of 310 x 10 kg. The locomotive exerts a constant horizontal force of 42…

A: 1. According to the Newton's second law of motion, the acceleration of the train is, F=maa=Fm=42×105…

Q: Calculate the force required to pull a stuffed toy duck (mass m = 1.75 kg) at a constant velocity of…

A:

Q: A double-incline plane is shown below. The coefficient of friction on the left surface is 0.30, and…

A: Mass of the left block m1 = 10 kg Mass of right block m2 = 15 kg The angle of inclination of the…

Q: 41. GO A car is traveling up a hill that is inclined at an angle 0 above the horizontal. Determine…

A:

Q: A crate having mass 50.0 kg falls horizontally off theback of the flatbed truck, which is traveling…

A: Write a relation between kinetic energy and work done using work-energy principle

Q: An aircraft gains speed during takeoff due to the constant thrust of its engine. When is the…

A: Given : an aircraft

Q: A-10 N falling object encounters +10 N of air resistance directed upward. The net force on the…

A: According to the question, there is (-10N) force downward and (+10N) force upward. so, the net force…

Q: Explain How to solve problems in which an object is falling freely under the influence of gravity…

A:

Q: What acceleration does a baseball of mass 0.27 experience when hit by a bat if 180 N are exerted by…

A: Given  Mass = 0.27 kg Force When a baseball  hit by a bat(F) =180N We know that…

Q: In the following cases, is the force acting on the ina Are bodies in equilibrium or not? True or…

A: The state of the system when neither the kinetic state nor the internal energy state of the system…

Q: The smaller mass is 2 kg, the larger is 5 kg. The angle of inclination is θ = 60⁰. The acceleration…

A: Let mass m1= 2kg and m2= 5kg

Q: The problem: You push a 20-kg lawn mower, exerting a 100-N force on it. You push 37° below the…

A: The mass of the lawn mower is m = 20 kg. The force exerted on the lawn mower is F = 100 N. The angle…

Q: When you are in an elevator accelerating downward your apparent weight is: zero O less the same as…

A:

Q: A skier with a mass of 63 kg glides with negligible friction down a hill covered with hard-packed…

A:

Q: The gravitational force acting on a lead ball is much larger than that acting on a wooden ball of…

A: The force of gravity acting on an object is the product of its mass and the acceleration due to…

Q: Is the force applied to drag the carriage affected by a change in inclination? Why?

A: Is the force applied to drag the carriage affected by a change in inclination?

Q: As a rocket ascends, its acceleration increases even though the net force on it stays constant. Why?…

A: By Newton's second law of motion, the force is given as, F = ma

Q: Calculate the magnitude of the normal force on a 15.0-kg block in the following circumstances: (a)…

A:

Q: THOSAER o. L.T A 10 T - You are pulling a 39 kg box on a level floor by a rope attached to the box.…

A: If box is moving with constant speed, acceleration acting on it must be zero and hence net force is…

Q: A double-incline plane is shown below. The coefficient of friction on the left surface is 0.30, and…

A: The Newton's second law, the net force acting on the body is given by, Fnet=∑F=m·a

Q: A bird flying at 45 m/s, 100 m above sea level, drops an acorn of 1 kg upon his unsuspecting victims…

A:

Q: Figure 5.23 shows a box of dirty money of mass m, = 3.0 kg on a frictionless plane inclined at…

A: Given data: The mass of block 1 is m1=3 kg. The mass of block 2 is m2=2 kg. The angle is θ1=30° The…

Q: Calculate the magnitude of the normal force on a 15.0-kgblock in the following circumstances: (a)…

A: The diagram is shwn below:

Q: If two objects are separated by some distance and that distance is reduced by one-half, the force of…

A: The force of attraction between two objects in this universe is defined as the gravitational force…

Q: g from rest at the ground floor accelerates uniformly attaining a speed of 144 m/min after traveling…

A: GivenWeight of elevator, W=9.8 kNFinal speed of elevator, v =144 m/minDistance travelled by…

Q: A driver in a saloon car with narrow tyres finds himself in a sandy  environment, what should he do…

A: If a driver in a saloon car with narrow tyres finds himself in a sandy environment, driver should…

Q: Suppose a rocket is at an elevation of 100 km and has an initial velocity of 1.00 x 10^4 m/s…

A: Initial height (h) = 100 km Initial vertical velocity (u) = 10000 ms

Q: A ball is thrown vertically upward. When it reaches its highest point (before falling back downward)…

A:

Q: Calculate the normal force on a 15.0 kg block in the following circumstances: (a) The block is…

A: The normal force =15.0kg

Q: A 4 kg box, pulled by a rope, is accelerated at 1.6 m/s2 horizontally across a floor. Assuming µk =…

A: mass of box = 4 kg a = 1.6 m/s2μ = 0.5 net force = ma  = 4 * 1.6  = 6.4 N

Q: The force acting on an object in projectile motion are the same as those acting on an object in…

A: The answer for the given problem is

Q: A 90-kg man stands in an elevator that is moving up at a constant speed of 5.0 m/s. The force…

A:

Q: You are weightless when you are A. In free fall B. Without a support force C. Infinitely away from…

A:

Q: A 2.00-kg projectile is fired at an angle of 20.0°. What is the magnitude of the net force on the…

A: Given data: Mass (m) = 2.00 kg Angle (θ) = 20.0°  Air resistance is negligible Required: The…

Q: On a frictionless horizontal plane, two wedges of masses m1 and m2 are placed on top of each other.…

A:

Q: You are riding a race car at a constant speed of 225 km/ h when you pass by another vehicle with a…

A: Answer Given Speed of first car s1 = 225 km/h Speed of second car s2 = 88 km/h

Q: Suppose a car accelerates from 69 to 112 km/h?

A:

Q: You pull a rope oriented at a 37° angle above the horizontal. The other end of the rope is attached…

A:

Q: When you sit on a chair, the resultant force on you is     a. zero   b. up   c. down   d. it…

A: Our answer will be zero (option a) Reason when you sit on a chair , there will be downward force due…

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: