A book sitting on a table, a puck sliding across frictionless ice, a child sitting on a merry-go-round turning at constant speed, a man leaning against a wall, a rock falling at constant terminal velocity, a car driving around a curve at a constant speed of 40 mph, a man pushing a box across a frictionless surface, a soccer ball placed on the grass, and air inside and outside of an inflated balloon. For all classify a) the netforce (0 or nonzero) and b) which newtons law it best demonstrates (1st, 2nd, 3rd).

Q: Training is over, and the zombie apocalypse is upon us. You are at the top of a 50-m-high hill. A…

A: The velocity of the car at the bottom of the hill is:

Q: A spherical raindrop of mass 0.0128 g and radius 1.45 mm falls from a cloud that is at a height of…

A: The expression for terminal speed is vt=2mgCρA=2mgCρπr2 Substitute vt=20.0128×10-3 kg9.81 ms20.61.3…

Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing…

A: Given- Mass of car , m = 1500 kg Initial speed  of car, u = 15 m/s Final speed of car , v = 0 m/s…

Q: Q6a) An object of mass m1 = 1.09 kg, drops from rest from a height h= 5.84 m above the rim of a…

A: Mass of object  Height from which it is thrown Radius of the bowl Acceleration due to gravity

Q: For a short time, the 400-kg roller-coaster car with passengers is traveling along the spiral track…

A:

Q: The 60-kg crate is projected along the floor with an initial speed of vo = 6.8 m/s at x = 0. The…

A: First, calculate the friction force, which is the product of the mass, gravity, and the coefficient…

Q: An airplane is flying horizontally above the ground at a altitude of 1,966 m.  Its forward velocity…

A: Given:Dropping height of the package (h) = 1966 mAs the airplane moving in horizontal direction…

Q: A 70 kg bicyclist is coasting down a long hill with a 3.5° slope. He’s moving quite rapidly, so air…

A: Given quantities: mass of the bicyclist(m) = 70 kg cross-section area(A) = 0.32 m2 drag…

Q: 41° 63° T2 T3 w 200 N 6,4 N 20 kg 25 N 16 kg

A: Given data weight of traffic light (W) = 200N We have to find the mass of the trafic light

Q: A small puck is positioned on the top of a frictionless spherical surface. The puck is then released…

A: Let consider the following quantities: The mass of the puck "m" The radius of the sphere "R" The…

Q: 100 kg 20° mo 90 kg 105 kg O 101 kg O 100kg

A:

Q: A driver in a 2290-kg car car traveling at 42.7 m/s slams on the brakes and skids to a stop. If the…

A:

Q: 1. You are running from a gang of shady looking characters. You run across a draw bridge to elude…

A: Let at an angle θ start sliding  Now, by fbd   Normal reaction (N) = mgCosθ  So, limiting friction…

Q: Mass ma=5kg and mg-2kg. Determine accelerations as and as of the two particles. (g=9.81m/s²),…

A:

Q: a). A cannon located 10 m from the ground is used to shoot a metal ball directly upward into the air…

A: a ) Maximum height the ball will travel measured from the ground  Maximum height the ball will…

Q: A bowling ball is suspended from the ceiling of a lecture hall by a strong cord. The ball is drawn…

A: Paert A:

Q: A roller-coaster vehicle has a mass of 509 kg when fully loaded with passengers (see figure). 10 m…

A:

Q: Consider air resistance on two spherical cannonballs. Cannonball A has a radius of 0.1 m and is…

A:

Q: Two blocks with the same mass are released from the top of two inclined planes of the same height.…

A: let the mass = m θ1 = 30oθ2 = 60o

Q: A raindrop with radius R= 1.6 mm falls from a cloud that is at height h = 1200 m above the ground.…

A: Given: The radius of the drop is 1.6 mm. The height of the cloud is 1200 m. The density of water is…

Q: Bret drops a box full of physics equipment while moving it to the lab. The box starts sliding down…

A:

Q: A spherical raindrop 2.9 mm in diameter falls through a vertical distance of 3800 m. Take the…

A:

Q: A 80 kg bobsled is pushed along a horizontal surface by two people.  After the bobsled is pushed a…

A: mass, m = 80 kg  distance, s = 5 m  initial speed, u =0 m/s  final speed, v = 8 m/s

Q: In a research facility, a person lies on a horizontal platform which floats on a film of air. When…

A: This question is based on law of conservation of linear momentum. For an isolated system linear…

Q: The experimental technique for measuring the coefficient of kinetic friction requires that a…

A:

Q: We are now going to consider the transport of the grains of pollen in the air. A grain of pollen…

A: why the grain of pollen will reach a limiting speed in its free fall.

Q: A car is being driven along a country road on a dark and stormy night at a speed of 14 m/s. The…

A: Given information: The initial velocity of the car, u=14 m/s The distance from the tree where the…

Q: Jason takes off down a 40 m high hill with a slope inclined at 20° on his jet powered skis with a…

A:

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

A:

Q: An airplane of mass 3.60 x 10° kg experienced problem in all its tyres when it was about to touch…

A: Mass of the airplane, M = 3.60 x 105 kg Displacement of airplane, d = 728 m Coefficient of Kinetic…

Q: A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.6 m/s.…

A:

Q: You are driving your 1450-kg car on a straight highway at 67 mph when a deer jumps out into the…

A: (given) Mass of driving car =1450 kg           Speed of car = 67 mph =67/3600 =0.02 m/s…

Q: A 100 kg skier starts from rest at the top of a ski slope that is 50 m long. If his final speed at…

A:

Q: A roller-coaster vehicle has a mass of 505 kg when fully loaded with passengers (see figure).   (a)…

A: a) The expression for force of the track on the vehicle is F=mg+v2r Substitute values in the above…

Q: Answer in kg pls can u make the answer clear as i had trouble viewing last tim

A: Force constant of the spring, k = 10 N/m2 Extension in the spring when a mass, m is suspended from…

Q: A hockey puck with mass 0.166 kg is pushed across the ice with a constant force of 0.89 N. The…

A:

Q: A 13 gg plastic ball is thrown horizontally at 15 m/sm/s from xx = 0 mm. It experiences an…

A: Given that, Drag force, Fx = - 2×10-3 N/m Mass of the ball m = 13 g                                =…

Q: - Disturbed by speeding cars outside his workplace, Nobel laureate Arthur Holly Compton designed a…

A:

Q: A raindrop with a radius R= 1.2 mm falls from a cloud that is at height h = 1200 m above the ground.…

A: Given data:      Radius, R = 1.5 mm       Height, h = 1200 m       Drag coefficient, C = 0.40…

Q: What spring constant is needed for such ride?

A: Conservation of Energy In an isolated system where there is no external force, the total energy of…

Q: In the figure provided, three balls of equal masses are released from the ground. If they are…

A: Given three balls of equal mass are released from the ground.The released speed of each ball is…

Q: How fast would you need to fire a 80 g Hot Wheels car down a straight track in order for it to…

A: The object experiences two forces the normal force and its weight. At top normal force and the…

Q: The 40-kg crate is projected along the floor with an initial speed of vo= 8.8 m/s at x = 0. The…

A:

Q: A person starts from rest at the top of a large frictionless spherical surface, and slides into the…

A:

Q: A water slide is connected so that a swimmer, starting from rest at the top of the slide, leaves the…

A: (a) Let us say that the swimmer leaves the slide horizontally with a speed V.Let us find the height…

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.