You are driving a Porsche 918 Spyder on a straight testing track at aconstant speed of 250 km/h. You pass a 1971 Volkswagen Beetle doinga constant 75 km/h. On which car is the net external force greater?

Q: A block of mass 0.500 kg slides on a flat smooth surface with a speed of 2.80 m/s . It then slides…

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Q: If a 2.4 kg object is initially at rest on a frictionless, horizontal surface and subjected to a…

A: The equation of motion we use to solve this is v2-u2 = 2as, where v = the final velocity u = the…

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

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Q: a 75 kg bodsled is pushed along a horizontal surface by two athletes. after the bobsled is pushed a…

A: The acceleration of the body can be calculated from the equation of motion a follows, v2=u2+2ad6…

Q: In 1991, a lobster with a mass of 20.0 kg was caught off the coast of Nova Scotia, Canada. Imagine…

A: Force applied on an object is given as F= m a

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

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Q: Tim pushes a 195kg lawnmower with a force of 850N at an angle of 35 degrees with respect to the…

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Q: A dog and a sledge are on the frictionless ice of a frozen lake, 14.4 m apart but connected by a…

A: Distance , d = 14.4 m Acceleration of sledge , as = 0.5 m/s2 Acceleration of dog, ad = 0.1 m/s2 To…

Q: A person traveling in a 2,000 kg car at a constant speed of 40.0 m/s applies the brakes, causing a…

A: Given:Mass of the car = 2,000 kgInitial speed of the car = 40 m/sFinal speed of the car = 0Force…

Q: A 25-g snail goes from rest to a speed of 3.0m/s in 5.0 sec. How much horizontal force

A: Given -: mass of snail, m = 25 g initial at rest then initial velocity, u= 0 m/s Final velocity, v =…

Q: The parachute on a race car of weight 8 820 N opens at the end of a quarter-mile run when the car is…

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Q: A 50kg person is traveling at 100km/hr. a) What's the force on him/her if he/she decelerates 200…

A: Given , Mass of person, m = 50 kg Initial velocity, u = 100km/hr = 27.78m/s A) acceleration =…

Q: 1D Constant Force. A vehicle weighing 2.00 × 10³ kg is being driven at a constant velocity through a…

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Q: If a 1.6 kg object is initially at rest on a frictionless, horizontal surface and subjected to a…

A: Given data:  Mass (m) = 1.6 kg Initial velocity = 0 m/s Force (F) = 12.2 N Distance (d) = 3.99 m…

Q: A really old 1500kg car without ABS brakes is traveling on a flat, horizontal road ay 75mph when the…

A: Given m=1500 Kg (mass of car) u=75 mph (initial velocity) Since 1mph=0.447 m/s u=75×0.447=33.525 m/s…

Q: An SUV hauling a trailer is travelling at 20 m/s when the driver brakes. The 1.2 MT trailer is…

A: Kinetic energy is the energy of motion, observable as the movement of an object, particle, or set of…

Q: A 51.5-kg swimmer with an initial speed of 1.25 m>s decides tocoast until she comes to rest. If…

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Q: a 1.5 kg object is initially at rest on a frictionless, horizontal surface and subjected to a  14.9…

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Q: You are driving a car at a constant speed of 14.0 m/s along a straight level road. As you approach…

A: The initial velocity of the car is u = 14 m/s. The final velocity of the car is v = 0 m/s. The…

Q: A 10kg object is initially moving east at constant speed. A net external force of 20N directed west…

A: Given data:  Mass (m) = 10 kg Initial velocity is constant, towards East Force (F) = 20 N, towards…

Q: A motorcyclist is coasting with the engine off at a steady speed of 20.0 m/s but enters a sandy…

A: Initial speed is, u = 20.0 m/s Distance to be travelled, S = 15 m

Q: If a 2.1 kg object is initially at rest on a frictionless, horizontal surface and subjected to a…

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Q: An airplane of 5,000kg, traveling at 30m/s West slows down to stop in 450 m. What is the magnitude…

A: Given : mass of airplane, m = 5000 kg Initial Velocity u = 30 m/s                      v = 0 m/s…

Q: A dog and a sledge are on the frictionless ice of a frozen lake, 11.6 m apart but connected by a…

A: The acceleration of the sledge, as=0.8 m/s2   The acceleration of the dog, ad=0.2 m/s2   The rope…

Q: A 945-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

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Q: If a 2.3 kg object is initially at rest on a frictionless, horizontal surface and subjected to a…

A: Mass, m = 2.3 kgForce, F = 10.2 NDistance, s = 4.1 mThe equation of motion we use to solve this is,…

Q: skydiving tunnels have become popular attractions, appealing in part to those who would like a taste…

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Q: object’s  final speed

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Q: Problem 4) A tesla model X electric vehicle is di section of the highway, no traffic and perfect v…

A: Given:- A tesla model X electric vehicle is driving from Boston to Lenox on 195, on a straight…

Q: A certain aircraft has a mass of 300,000 kg. At a certain instant during its landing, its speed is…

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Q: A bicyclist and his bicycle have a mass of 105 kg. What forces is necessary to bring him to rest…

A: Data given:Mass of the bicyclist, m = 105 kgInitial velocity, u =  25 m/sec.Final velocity, v = 0…

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

A: Given data and free body diagram-

Q: true or false?  A crate experiences a force to the left in deep space (there's no air resistance or…

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Q: 4 At Ted's request, Bill pushes the pizza box across the granite countertop towards Ted. When the…

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