A force of 1.5N acts on a 0.20kg cart so as to accelerate it along an air track. The track and forc

Q: A farm tractor tows a 3300-kg trailer up a 14° incline with a steadyspeed of 2.8 m>s. What force…

A: Apply Newton's second law along the incline to find the force exerted by the tractor on the trailer

Q: A 1.050 N sky diver has opened his parachute to slow his descent to a constant speed the parachute…

A: Write the given values with suitable variables. W=1050 Nf=1403 N Here, W is the weight and f is the…

Q: 1- A 4 kg box moves from the origin along x-axis under the influence of a variable net force whose…

A: As per Bartleby guidelines I am answering the first question only. 1) The work done as the box moves…

Q: The only force acting on a 2 kg object moving along the x axis is shown in the figure below. If the…

A: Given data: Mass of object, m=2 kg At time t=0, velocity is u=-1 m/s

Q: Ball weighs 0.25 kg is thrown upward with an initial velocity of 30 m/s. Calculate the maximum…

A: Given: Mass of the ball is m=0.25 kg Initial velocity of ball is u= 30 m/s Drag force on the ball is…

Q: What is the magnitude of the force required to stretch a 10 cm-long spring, with a spring constant…

A: Given intial length of the string l= 10cm Spring constant of the spring k= 100N/m Length after…

Q: A 5kg block is pulled westward across a frictionless horizontal surface by a 30 N force applied at…

A: The block's acceleration is 0.314 m/s²

Q: A 768-lb object is launched from the ground with an initial upward velocity of 30 ft/sec. The…

A:

Q: > A Mov Question 4 A 18.0-kg crate is being pushed across a level frictionless horizontal floor by a…

A:

Q: Professor Walo pushes the 80 kg grandmother by a slope of 30 °, applying a force F an angle of 15 °…

A: Given, Mass,m=80 kg Angle of incline,θ=30° Angle of force with inclined,α=15° Coefficient of…

Q: A 0.6 ton motor is moving on a leveled highway at a speed of 108 km/hr. How large is a retarding…

A:

Q: Consider a 1kg object. At x = 0, the object has initial velocity +v m/s. Then it is subjected to…

A: We know that work done  W=change in kinetic energy Work done =area of graph from x=0 to x=5…

Q: A force of 1.150×103 N pushes a man on a bicycle forward. Air resistance pushes against him with a…

A: The force of air resistance acts against the force with which the man pushes the bicycle. The net…

Q: A car weighs 13200.0 N is initially moving at a speed of 41km/hr when the brakes are applied and the…

A: Given- weight of car W= 13200 N initial speed of car , u = 41 km/h =41 x (5/18 ) m/s =11.39 m/s…

Q: AN 7. A block of mass 5 kg is being pulled along a board horizontally with a constant velocity; the…

A: Along vertical, net force must be zero.  So, weight of block is balanced by normal force. Since,…

Q: A diver of 80kg jumps from a platform 5 m high into a pool. If the diver decelerates at a constant…

A: Given: Mass of driver M = 80 kg height of platform h = 5 m acceleration due to gravity g = 10 m/s2

Q: A 6.0-kg block initially at rest is pulled to the right along a frictionless, horizontal surface by…

A:

Q: What happens to the motion of the object when there is very little friction present? What did the…

A: Friction is a force that holds back the movement of a sliding object, less friction means it is…

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

A: Given data The magnitude of the force is F=14 N The dispalcement of the block is d=7.0 m The speed…

Q: A certain spring has a force constant k. (a) If this spring is cutin half, does the resulting half…

A:

Q: 65 kg teacher, starting from rest, glides gracefully down a slide while the net force on her is a…

A:

Q: Calculate the force needed to bring a 1050 KG car to rest from a speed of 90.0 KM/H in a distance of…

A:

Q: A 200-N sled of slides down a frictionless hillside that rises at 37° above the h magnitude of the…

A: We know that we have given The sled has a weight of W = 200 N and it slides down a frictionless…

Q: A warehouse worker exerts a constant horizontal force of magnitude 100N on a 45.0 kg box that is…

A: The initial speed of the box, u=0 m/s The final speed of the box ,v=1.21 m/s The distance moved by…

Q: VA = 10 ft/s Given: The girl and bicycle weigh 125 lbs. She moves from point A to B. p= 50 ft 30 ft…

A: The total mechanical energy of the system is said to be conserved if the net external force acting…

Q: A warehouse worker exerts a constant horizontal force of magnitude 89.0 N on a 42.0 kg box that is…

A: Given Horizontal force is F=89.0 N Mass of box is m=42.0 kg Distance travelled is d=1.80 m Initial…

Q: PS 4.3 The fastest pitched baseball was measured at 46 m/s. A typical baseball has a mass of 145 g.…

A: Given : v = 46 m/s m = 145 g = 0.145 kg s = 1 m

Q: A škydiver weighing 170 lbf (including equipment) falls vertically downward from an altitude of 6000…

A: Given: Weight of skydiver=170lbf Falling at an Altitude of 6000 ft. t1=11s of freefall…

Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 13 N. The cart has a mass…

A: Given data: Horizontal force (F) = 13 N Mass of cart (m) = 27 kg Initial velocity (v0) = 0 m/s Time…

Q: 1 kg. If the particle A force F ri + yi + zi (N) acts on a mass m- starts at the origin (0, 0, 0)…

A:

Q: Q2: Jane, who weighs 500 N, must cross a river full of hungry crocodiles to save Tarzan, who weighs…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Shown below is a graph of a force applied to a small object as a function of time. If the object has…

A: We have Force v/s time graph for an object of mass m=5 kg. If we divide the y-axis of the graph by 5…

Q: rifle bullet, traveling at 426 m/s strikes a large tree, which it penetrates to a depth of 0.130 m.…

A: Given m = 1.8 g = 1.8 × 10-3 kg Initial velocity u = 426 m/s Final velocity v = 0

Q: An object moves with constant velocity. Is it safe to conclude thatno force acts on the object? Why,…

A: Step 1 The expression for the force acting in an object is, Here m is mass of the object a is…

Q: n is traveling at a speed of 50 m/s at an angle of 10o. But the driver noticed that the bridge 300-m…

A: Given:-  The mass of the train is m = 20 Mg  the train is traveling with the speed of v = 50 m/s…

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

A: Mass=65kg Length=2500m B1=30N-sec/m

Q: glider of mass 250 kg is towed by an aeroplane and the air resistances is equal to 15v , where v is…

A: Answer: Let the mass of the glider be M, the force on the glider along the x-direction be M, the…

Q: A 50 N force is applied to a 20 kg cart which was displaced at 150 m from rest on a surface applying…

A: Given that:- m=20 kgF=50-30=20 Na=Fm=2020=1 m/s2s=150 mu=0v=?

Q: A Stevedore wants to push a 50 kg crate up a 40 degree ramp. He can push with a maximum 300 N. What…

A:

Q: Calculate the force needed to bring a 450-kg canoe to rest from a speed of 10.8 km/h in a distance…

A: The speed in m/s is Using kinematics, The negative sign indicates that the canoe is decelerating.

Q: Calculate the force needed to bring a 900 kg car to rest from a speed of 90.0 km/h in a distance of…

A:

Q: A 6.0-kg block initially at rest is pulled to the right along a horizontal, frictionless surface by…

A: If block move along frictionless surface, equation of motion of block is as follows: F=ma…

Q: •• The two masses in the Atwood’s machine are initially at rest at the same height. After they are…

A: The Two Masse's in the Atwood Machine are initially at rest at the same height 'h'.The large mass…

Q: 1O C A cart for hauling ore out of a gold mine has a mass of 439 kg , including its load. The cart…

A:

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.