In a head-on collision, a car stops in 0.14 ss from a speed of 11 m/sm/s . The driver has a mass of 90 kgkg , and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second?

Q: A 841.2 kg car initially moving at 17.39 m/s starts to slow down and comes to a complete stop in…

A: Just replace the values and its done

Q: Yesterday, I was roller skating. I was moving with a speed of 5.0 m/s on a road. My mass in total is…

A: Magnitude of the Force

Q: A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a…

A: Free body diagram:

Q: A vehicle with a mass of 2.40 * 103 kg is driving at a speed of 25.0 m/s. When the driver uses the…

A: Mass of the vehicle m = 2.40 × 103 kg Initial velocity of the vehicle u = 25.0 m/s Final velocity of…

Q: While walking along Makati Avenue, you saw a moving car with initial speed of 28 m/s . The car is…

A:

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: An 940 kg dragster, starting from rest, attains a speed of 29.4 m/s in 0.4 seconds. What is the…

A: Concept

Q: At a time when mining asteroids has become feasible, astronauts have connected a line between their…

A: Using Newton's law of motion, the expression for find acceleration of the tug is aT=FmT Substitute…

Q: When a 0.058 kg baseball is hit by a bat, it accelerates to a speed of 45 m/s coming from rest. The…

A:

Q: A vehicle with a mass of 2.40 * 103 kg is driving at a speed of 25.0 m/s. When the driver uses the…

A:

Q: In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and…

A:

Q: A 987.6 kg car initially moving at 10.74 m/s starts to slow down and comes to a complete stop in…

A:

Q: After a day of testing race cars, you decide to take your own 1460.7 kg car onto the test track.…

A:

Q: A boy slides down a hill on a sled (total mass of 31 kg) and coasts onto a flat plain with a speed…

A: Given data The total mass of the boy and sled is m = 31 kg. The speed of the boy and sled is u = 6.5…

Q: Three crates with various contents are pulled by a force Fpull = 3677 N across a horizontal,…

A: Fpull = 3677 N acceleration (a) = 1.43 ms2F12 = 1397 NF23 = 2351 N

Q: In a Subaru TV commercial, a dog is driving a car of total MASS 1,812 kg.  Suddenly a person runs…

A:

Q: A 821-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Given: The mass of the car is 821 kg. The initial speed of the car is 0 m/s. The final speed of the…

Q: Big Boris (90kg) skates backward, 1.0 meter ahead of small skater Sofia (45 kg) , holding her hand…

A: Mass of boris = 90 kg mass of sofia = 45 kg Initial speed of both of them = +3 m/s time when the…

Q: A car of mass 1.2  103 kg is traveling east at a speed of 24 m/s along a horizontal roadway. When…

A: Given: Mass of car is M=1.2×103kg The initial speed of the car is Vinitial=24m/s brakes are applied…

Q: A child of mass 22.0 kg runs and slides across the ice in a skating rink.  Initially she is moving…

A:

Q: A 2110 kg car traveling at 8.4 m/s collides with a 2730kg car that is initially at rest at the…

A: Mass of first car = m = 2110 kg Mass of second car = M = 2730 kg Distance traveled = s = 3.3 m…

Q: In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and…

A: Given data:  Initial velocity (Vi) = 0 m/s Final velocity (Vf) = 45.3 m/s Time interval (Δt) = 6.11…

Q: A teenager is pushing a cart.  There is no friction between the cart and the ground. Mass of the…

A: 1. First, determine the cart’s constant acceleration (a) during the given time due to the force (F)…

Q: A biker is traveling on level ground at 52.0 m/s with a combined mass of 325.0 kg.  She spots a…

A:

Q: A driver in a 1500-kg car driving at 10.0 m/s gently presses the brakes momentarily. The brakes…

A:

Q: A cart of mass m is accelerated 5.00 m/s2 by a hanging falling mass, M = 260 gm pulling it. What is…

A: Given:      Acceleration of cart, a = 5.00 m/s2     mass of hanging falling mass , M = 260 gm =…

Q: time t = 0 a 2250 kg rocket in outer space fires an engine that exerts an increasing rce on it in…

A: Given: Equation of force Fx=At2 At time t=1.45 s force is 781.25 N Mass of rocket is m=2250 kg Note:…

Q: A bullet of mass 0.02 kg is fired from a rifle. The bullet takes 0.02s to move through the barrel…

A: Initial velocity of the bullet = 0 ms-1 Final velocity of the bullet = 200 ms-1 Time to travel =…

Q: A teenager is pushing a cart.  There is no friction between the cart and the ground. Mass of the…

A: Given: No friction between the cart and the ground Mass of cart Mc=120kg Initial velocity Vi =0 Cart…

Q: by conscientious ex nass m' on the planet.

A: Given: Acceleration is 12.3 m/s2 To find the mass of traveler on planet.

Q: omobile of mass 2500 kg moving at 50.0 m/s is braked suddenly with a constant braking force of 8500…

A:

Q: Choose the correct SI units of constant A. O s²/N ON/s O N/s² O S/N

A:

Q: A bullet with a mass of 20.0 grams is fired from a gun with a 10.0 cm barrel at a velocity of 300.0…

A:

Q: net force of 20 N is acting on a falling object. The object experiences air resistance of 6.0 N. If…

A:

Q: In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and…

A:

Q: Hank and Harry are two ice skaters whiling away time by playing 'tug of war' between practice…

A: According to Newton third law  Every action has equal and opposite reactions.

Q: A lump of clay of mass 0.21 kg is dropped from a height of 5.5 m. The clay comes to a full stop…

A: mass of clay is m = 0.21 Kg height from which clay was dropped is h = 5.5 m time taken by the clay…

Q: In a performance test, each of two cars takes 8.6 s to accelerate from rest to 26 m/s. Car A has a…

A: From kinematics equation:

Q: The Lamborghini Huracan has an initial acceleration of 0.80gg. Its mass, with a driver, is 1510 kg.…

A: Given : ai = 0.80 g = 0.80 x 9.8 = 7.84 m/s2 M = 1510 kg m = 80 kg

Q: identified a type of fundamental particle called a muon, which effectively behaves like a very heavy…

A: Given:- The mass of the muon m = 1.88 × 10-28 kg The initial speed of the muon is v0 = 3.50 × 105…

Q: A 845-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Find acceleration of the car during this period,

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: