gligible, what is the ball's speed, vf in m/s, when it strikes the ground? Part (b)  If drag produces an opposing force of 10 N while the ball's falling, what is the ball's speed, vf in m/s, when it strikes the ground? Assume the ball has a mass of 5 kg. Part (c)  A different ball was dropped and the final speed was measured to be vf = 8.5 m/s while the drag force was measured to be 50 Newtons. What is the mass of this ball in kg?

Q: A 1,959-kg car starts from rest at the top of a driveway 7.26 m long that is sloped at an angle of…

A: Given data: The mass, m=1959 kg The distance is d = 7.26 m The angle is θ=21° The force is F=2338 N…

Q: Superman must stop a 110-km/h train in 160 m to keep it from hitting a stalled car on the tracks.…

A:

Q: Jackie has a car that accelerates at 8.5 m/s2. If the car has a mass of 2300 kg, how much force does…

A:

Q: A box of apples of mass 22 kg slides 2.5 m down a ramp inclined at 44o to the horizontal.  The force…

A: mass of box of applies, m = 22 kg Length of ramp, L = 2.5 m Friction force, f = 79 N Degree of…

Q: If a 3.9 kg object is placed on a frictionless incline of 55.6 ° and released from rest, what is…

A:

Q: You ski straight down a 42.0 degrees slope, starting from rest and traveling a distance of 10.3 m…

A: Explanation:- First of all we will calculate acceleration down the slope. Then by using the…

Q: When starting a foot race, a 68.6 kg sprinter exerts an average force of 704 N backward on the…

A: Given: The mass of sprinter (m) = 68.6 kg. Force exerted F = 704 N. Time (t) = 0.813 s.

Q: A rock of mass m falls from the top of a cliff and it experiences a significant amount of air drag…

A:

Q: A skydiver (46 kg) is falling at 27 m/s when she pulls her parachute cord. The parachute slows her…

A:

Q: A wagon with its passenger sits at the top of a hill. A strong wind suddenly rolls the wagon 188m…

A:

Q: A car of mass 250 kg, is accelerated from rest by a net force of 400 N for 20 s.  After this, the…

A: Given: Mass (m) = 250 Kg  time (t1 ) = 20 s  Force (F1) = 400 N  Force (F2) = 100 N

Q: A 75-kg snowboarder has an initial velocity of 5 m/s and slides down a 92-m-long straight incline…

A:

Q: A 2000 Kg car travels from rest to a speed of 25 m/s on a flat stretch of road. What is the force…

A: Given: The mass of the car is 2000 kg. The initial velocity of the car is 0 m/s. The final speed of…

Q: A parachutist whose mass is 65 kg drops from a helicopter hovering 2500 m above the ground and falls…

A: Given Data:Mass of the person Height of the helicopter The proportionality constant when the…

Q: An object with a mass of 1.74 kg is initially at rest upon a horizontal, frictionless surface. An…

A:

Q: It has been determined that a force over 200 N can injure the hand. What is the shortest period of…

A: The objective of this question is to find the shortest period of time it will take to stop a 2 kg…

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: A runaway train with a mass of 500kg is stopped by batman. If it runway train starts with an initial…

A:

Q: A batter hits a baseball m = 0.48 kg from rest with a force of F = 88 N, The ball is in contact with…

A:

Q: small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0. The…

A: Given  At x =0, is given a push to left with an initial speed of 2.60 m/s.  So  Total energy at x=0…

Q: what speed  ?  will he be going after  35.0 m ?

A: force=1.10×103 Npushing force=805 Ndistance, x=35 mmass=90 kg

Q: A 1 kg ball and a 2 kg ball, both the same dimensions, are dropped at the same time from a height of…

A: Acceleration due to gravity is independent from the mass of object so for Both object if we apply…

Q: A projectile of mass 0.719 kg is shot straight up with an initial speed of 22.1 m/s. (a) How high…

A: Mass (m) = 0.719 kg Initial speed (u) = 22.1 ms

Q: V Three youths push a 40.0-kg block of ice so that it begins to coast on a frozen lake. With an…

A: mass of block of ice (m) = 40 kg Initial speed (u) = 3 ms

Q: A 0.4 kg ball is thrown vertically upward with an initial speed of 15 m/s as it leaves the throwers…

A: Given: The mass of the ball is 0.4 kg. The initial velocity of the ball is 15 m/s vertically upward.…

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: For all questions, assume concepts such as friction or air resistance are negligible,  unless…

A:

Q: A student pushes a physics textbook of mass 1.19 kg across a table with a horizontal force of 5.66…

A: The objective of this question is to find the speed of the textbook after a certain period of time.…

Q: A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the…

A:

Q: A theme park is planning out a new free-fall ride. The drop is almost perfectly frictionless, with a…

A: Given:-  The height of the theme park is planning a new free-fall ride h = 190 m. The initial…

Q: During walking, a 90 kg older adult starts at rest and begins moving (on carpet, coefficient of…

A:

Q: A 3500lb car decelerates from 60mph to 45mph in 8 seconds. Neglecting friction, what is the average…

A:

Q: A tired cyclist on a bicycle (102.0 kg combined) starts with an initial velocity of 15.0 m/s at the…

A:

Q: A 10.0 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by…

A: we know that acceleration, a=F/m and v^2=2as  [initially at rest]

Q: A 19.08 kg block is slid from a height of 7.62 m down a friction-less incline. It comes to a flat…

A:

Q: A 72 fireman slide down a 3.2 m pole by applying a frictional force of 377 N against the pole with…

A: Given , mass of fireman , m = 72 kg Height of pole , h = 3.2m Frictional force , f = 377 N…

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 is hit with 200 lbs (889.7 Newtons) of force and given a horizontal velocity of 19 m/s.…

A: Let, the mass of the ball is 1 Kg. In the vertical direction, only force due to gravity is acting on…

Q: A boy shoves his stuffed toy zebra down a frictionless chute. It starts at a height of 1.49 m above…

A: Given quantities: initial speed of the toy (u) = 1.87 m/s height from which toy starts its motion…

Q: A bowling ball weighing 60.0 N initially moves at a speed of 4.20 m/s. How long must a force of 47.5…

A:

Q: The force acting on a particle is F - (10x – 17) N, where x is in meters. (a) Make a plot of this…

A:

Q: The 1.5 Mg = 1,500 kg sports car has a tractive force of F = 4.5 kN = 4,500 N. If it produces the…

A: The mass of the car, m=1500kg The tractive force, F=4500 N The velocity of the car, v=-0.05t2+3t m/s

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: