Aircraft carriers use catapults to launch jets from their deck. One such catapult accelerates a 18,300 kg aircraft from rest to 72 m/s in 3.1 s. What is the magnitude of the force (in N) required to do this?

Q: Mary applies a force of 70 N to push a box with an acceleration of 0.60 m/s2. When she increases the…

A: The forces acting on the box are the force applied by Mary in the direction of motion of box and…

Q: The total force on an object is ( 20 ı ^ + 40 ȷ ^ ) Newtons.  Its acceleration is ( 4 ı ^ + 8 ȷ ^ )…

A: The magnitude of the total force is: The magnitude of the acceleration of the object is:

Q: A cheetah accelerates constantly from rest to catch a gazelle. The cheetah covers a distance of 40 m…

A:

Q: 5. If you reduce the applied force on an object by 4, what do you think will happen to the…

A: Write the expression for Newton’s law.

Q: A 3 kg object moves along an x axis according to x (t) = 9 + 8 t + 7 t 2 +9 t 3, with x in meters…

A:

Q: A 67.3 kg person is standing inside an elevator. The elevator is traveling from the 1st floor to the…

A: Consider the person’s mass be m, its weight be w, the speed of the elevator be u, the normal…

Q: Mary applies a force of 70 N to push a box with an acceleration of 0.60 m/s2. When she increases the…

A:

Q: A unicorn running on a beach at 7 m/s changes speed at a constant rate of 3.6 m/s2 over a period of…

A:

Q: A batter strikes a baseball of mass 0.15 kg with a force of 18,000 N. What is the acceleration of…

A: Answer :-  Given data :-  F = 18000 N m = 0.15 kg

Q: A person pushes a 0.20 kg lunch tray across a table

A: Required : The normal force, N.

Q: A 2550 kg car traveling to the north is slowed down from an initial velocity of 19.5 m/s by a 5750 N…

A: Using newtons second law  Fnet=ma  And using first equation of motion  V=u+at

Q: You are in charge of improving the safety of a carnival ride. The ride involves a 165 kg cart…

A:

Q: In a performance test, each of two cars takes 8.4 s to accelerate from rest to 28 m/s. Car A has a…

A: Given Mass of car A is MA=1415 kg Mass if car B is MB=1856 kg Initial velocity of both car vi =0 m/s…

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

A:

Q: You place tomatoes in the pan of a hanging spring scale and find that they weigh 2.9 lb. You measure…

A: We know If a spring of spring constant k, is subjected to a force F which stretches or compresses…

Q: Spaceman Spiff needs to turn his 700 kg rocket and go in the opposite direction to escape the Zoks.…

A: Given : m = 700 kg vi = -3710 m/s (negative because moving in opposite direction) vf = 5781 m/s F =…

Q: A particle of mass 5.4 kg moves along the horizontal x-axis. In the x direction the only force…

A:

Q: A 1 kg toy car is accelerated from rest by a net force shown in the graph. The approximate speed in…

A: We can see that F is a linear function of x.Slope of the linear function…

Q: A spring is fixed to a board so that its hanging from it vertically. A 10 kg mass is attached to the…

A: Let spring constant be "K".   On earth, mge=Kxe         .....(1)   on moon, mgm=Kxm        ......(2)…

Q: A rescue helicopter lifts a 57.7-kg person straight up by means of a cable. The person has an upward…

A:

Q: Blocks with masses of 3.0kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All…

A: Given: The mass of the first block is m1=3 kg. The mass of the second block is m2=4 kg. The mass of…

Q: A student with a mass of 68 kg gets on a ferris wheel that rotates at a constant speed. When the…

A: Since, student is in circular motion so, he need a centripetal force which is always towards the…

Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: 2000-kg car initially at rest is held by a friction force that can resist up to 1200 N. If the…

A:

Q: The total force on an object is ( 20 ı ^ + 40 ȷ ^ ) Newtons. Its acceleration is ( 4 ı ^ + 6 k ^ )…

A:

Q: 2. Refer to figure 1 of an object's velocity vs. time plot. Calculate your best estimation of the…

A: GivenHere the velocity profile of the object is given in question.Provided the mass of the object is…

Q: An airplane slows to a stop as it moves along the runway.  Its mass is 3.50 x 105 kg, its speed is…

A:

Q: A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of…

A: To solve the problem we will calculate the acceleration first and then using Newton's 2nd law of…

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 spacecraft that is initially at rest turns on its engine at t=0. If its mass is 3000 kg and the…

A:

Q: A standard object defined as having a mass of exactly 4.6 kg is given an acceleration of 2.4169 m/s2…

A: Given data:  Mass (m1) = 4.6 kg Acceleration (a1 ) = 2.4169 m/s2 Acceleration of unknown object a2 =…

Q: A 10 kg object starts from rest and achieves a speed of 20 m/s in 10 s. How much force (in N) acted…

A: Mass of the object m=10 kg The initial speed of the object u =0 m/s The final speed of the object v=…

Q: A flea jumps by exerting a force of 1.32 × 10-5 N straight down on the ground. A breeze blowing on…

A: Given Force exerted by the flea on the ground is Fflea=1.32×10-5 N Force due to the breeze parallel…

Q: A person whose weight is 508 N is being pulled up vertically by a rope from the bottom of a cave…

A:

Q: A 1,910 kg African bush elephant (Loxodonta africana) is pushing a 2,890 kg car. The elephant and…

A: Given value--- mass of elephant = 1910 kg. mass of car = 2890 kg. total force = 9750 N We have to…

Q: Laila, who is a part of a critical patient's medical team was responsible for pushing a cart…

A:

Q: A horizontal force of magnitude F = 56.2 N pushes on a block of mass m = 5.87 kg. The block is on a…

A: The objective of the question is to find the acceleration of the block on the incline in terms of…

Q: The strings and frictionless pulleys have negligible masses.  The coefficients of kinetic friction…

A: Given that, the mass of block A is mA=3kg the mass of block B is mB=4kg coefficient of kinetic…

Q: A person whose weight is  516 N is being pulled up vertically by a rope from the bottom of a cave…

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

Q: The following information pertains to questions 1, 2, and 3. A workman pulls a sled across an…

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: