Calculate the force needed to bring a 450-kg canoe to rest from a speed of 10.8 km/h in a distance of 120 m. Express your answer in N.

Q: A car with its parking brake on starts sliding down an extremely slippery icy h=9 m high embankment…

A:

Q: Mr. M is driving his truck, which has a mass of 2200kg, at a speed of 125km/h on the 401. He notices…

A: Mass of the truck is m = 2200 kg Initial speed of the truck is u = 125 km/h Tapping distance is S =…

Q: A 138-Newton horizontal force is exerted upon a 4.6 kg box to move it across a level surface at a…

A: Draw the free-body diagram of the object.

Q: An all-star cheerleading team throws a 40 kg flyer cheerleader into the air from an initial position…

A: We know that time to reach maximum height of a projectile is given as  T=ug Where u is initial speed…

Q: A mass of 3.00 kg is initially at rest upon a frictionless incline with a 30.8 degree angle of…

A:

Q: A 60.0 kg skier with an initial speed of 15 m/s coasts up a 2.50 m high rise as shown in the figure.…

A: Given data- Mass of skier =60 kg Initial speed vi=15 m/s Height h=2.50 m Coefficient of kinetic…

Q: A small stone of mass m = 1kg is stuck at the front of mass M = 10kg at height h = 1m. The…

A:

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: Let the initial velocity be zero, final velocity be 21.5m/s.Consider the kinematic equation for…

Q: In a circus performance, a monkey is strapped to a sled andboth are given an initial speed of 4.0…

A: Using Work-Energy theorem,

Q: Gayle runs at a speed of 4.00 m/s and dives on a sled, initiallyat rest on the top of a…

A:

Q: What initial velocity must a 1.35 kg block have to travel a distance of 2.09 m up an incline that…

A: mass = 1.35 kg d= 2.09 m angle = 22.10coefficient of kinetic friction = 0.359

Q: A box is given a push so that it slides across the floor.   How far will it go, given that the…

A:

Q: A skier (m=53.0 kg) starts sliding down from the top of a ski jump with negligible friction and…

A:

Q: A block of mass M = 3.80 kg is launched with a speed of v = 5.98 m/s at the bottom of a sufficiently…

A: mass, m = 3.8 kg  velocity initial, v = 5.98 m/s  Angle, A = 14.8 degree  kinetic friction = 0.371

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: An applied force of 40.7 N directed at an angle of -18.5 degrees with respect to the +x direction…

A: According to the work-energy theorem, the change in kinetic energy of the mass will be equal to the…

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: In a circus performance, a monkey is strapped to a sled and both are given an initial speed of 4.0…

A: Given:  initial speed,u = 4 m/s  angle = 20 degree  mass, m = 20 kg  coefficient of friction, u =…

Q: A skier is on a 25° slope and his mass is 80kg. If his constant velocity and the coefficient of…

A: Given, Mass=80kg

Q: You mistakenly drop the physics textbook (mass = 1.61 kg) on your toe from a height of 1.58 meters.…

A: To find the force on the toe, we need to find the deceleration of the book. To find the deceleration…

Q: A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 7.0 m/s.…

A: The expression for the friction force,

Q: On October 9, 1992, a 27-pound meteorite struck a carin Peekskill, NY, creating a dent about 22 cm…

A:

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: Given : m = 0.6 ton = 600 kg vo = 108 km/hr = 30 m/s v = 0 m/s because finally the motor stops  s =…

Q: A ball with a weight of 1.5 N is thrown at an angle of 30° above the horizontal with an initial…

A:

Q: The kinetic friction force between a 8.1-kg object and a horizontal surface is 72 N. If the initial…

A:

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: Given,

Q: A stone with a weight of 4.89 N is launched vertically from the ground level with an initial speed…

A:

Q: ar's bumper is designed to withstand a 4.68 km/h (1.3 m/s) collision with an immovable object…

A:

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: A 75-kg snowboarder has an initial velocity of 5.0 m/s at the top of a 28° incline (Fig. 4–75).…

A:

Q: If an eraser is thrown upward from a tower with an initial velocity of 5.0 m/s, then what is the…

A: Given, initial upward speed of the stone, v = 5.0 m/s time, t = 7.0 sec acceleration due to gravity,…

Q: Calculate the final speed vs of a 2.00-kg object that is pushed 2.00 kg for 34.0 m by a 30.0-N force…

A:

Q: There is an object with a mass of 2.6 kg that is free to move on a horizontal surface without any…

A: Mass of body= 2.6 kg F =(3N)i^+(4N)j^ Distance, s= 1m

Q: A 5.0 kg mass drops vertically from a height 4.0 m on the plate on top of a spring bala whose force…

A:

Q: Why Is It Dangerous To Jump Out Of A Moving Bus?

A: The inertia of motion causes the passenger of a bus to fall down or temporarily lose his balance as…

Q: Why is it easier to stop a loaded truck than a heavier one that has equal speed?

A: Work required to stop a vehicle is equal to the kinetic energy of the vehicle.

Q: A horizontal force of 1.5 N acts on a 0.2kg mass to accelerate it along a horizontal path. How fast…

A:

Q: A net horizontal force of 5000N is applied to a stalled car whose mass is 1500kg. What will be the…

A:

Q: Assuming no losses due to friction or air drag, how fast was the 115 kg bicyclist moving before…

A:

Q: A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 7.8 m/s.…

A:

Q: A 97.49-kg skier with an initial speed of vi=34.93 m/s coasts up a H=11.75-m-high risel.  The slope…

A: Given,Mass of the skier, m = 97.49 kginitial speed, vi = 34.93 m/sheight, H = 11.75 mslope of the…

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: