Melissa was putting on her makeup when she accidentally ran into a stopped car at a red light, 11.01 m in front of her. Melissa’s 1,219 kg car was moving at 8.133 m/s and came to a complete stop in 0.3994 seconds. What is the magnitude of the force that stopped Melissa’s car?

Q: Just like Louis, Maria left a book on the roof of her car before driving away. The mass of the book…

A: mass of the book (m) = 731 grams = 0.731 kg coefficient of static friction (μs) = 0.29 coefficient…

Q: A 2.8 kg ball strikes a wall with a velocity of 6.7 m/s to the left. The ball bounces off with a…

A:

Q: A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of gun…

A: Force is defined as the product of mass and acceleration. Acceleration is defined as the rate of…

Q: A 50.0 g ball is shot in the horizontal direction, aimed directly at a wall. The initial speed of…

A:

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

A:

Q: A very massive cart A fitted with a compressible spring and initially moving to the right collides…

A: Basic Details The potential energy of the spring is directly proportional to the force applied by…

Q: Yesterday I went on a sled. I was sliding with a speed of 3.0 m/s across a pond covered with ice. My…

A:

Q: A physics student, in a stationary elevator, places a 210.0 g mass on an electronic balance. The…

A: Given, mass of object = 210 g  Time = 0 to 3.0 sec the balance reads 274 grams  Time = 3.0 - 12 sec…

Q: Your mass is 77.3 kg, and the sled s mass is 18.9 kg. The sled is moving by itself on the ice at…

A: Given : m1 = 77.3 kg m2 = 18.9 kg v2 = 3.73 m/s

Q: An object of mass 0.61 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

A: Given data:  Mass (m) = 0.61 kg Initial velocity (u) = 0 m/s Time interval (Δt) = 2.9 ms = 2.9×10-3…

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: In a slap shot in hockey, the stick and puck are only in contact for 0.030 s. During this time, the…

A:

Q: Your mass is 86.8 kg, and the sled s mass is 17.2 kg. The sled is moving by itself on the ice at…

A:

Q: You’re in a rocket that’s accelerating through intergalactic space at 5.82 m/s2.  Your mass is 80.0…

A: GIVEN             Mass , m = 80.0 kg            Acceleration , a = 5.82 m/s2           Weight , W =…

Q: In a performance test, each of two cars takes 8.7 s to accelerate from rest to 27 m/s. Car A has a…

A:

Q: ength of the barrel, and it exits the barrel with a speed of 730 m/s. Assuming that the acceleration…

A:

Q: A runaway train with a mass of 500kg is stopped by batman. If it runway train starts with an initial…

A:

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

A:

Q: A hammer of mass m = 0.455 kg is moving horizontally at a velocity of v = 6.5 m/s when it strikes a…

A:

Q: While playing basketball in PE class, a student lost her balance after making a lay-up and collided…

A:

Q: A lineman is trying to push a training dummy with a force F₁ downward at an angle of 0=39.15°. His…

A: To solve for the coefficient of static friction (μs​) between the dummy and the ground, we need to…

Q: Tom and Jerry are riding two toy cars connected by a rope. Both are travelling at 16.2 km/h when…

A:

Q: An object of mass 0.93 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

A: Mass (m) = 0.93 kg Initial velocity (u) = 0 m/s Time interval (Δt) = 2.9 ms = 2.9×10-3 s Final…

Q: A car is accelerating with constant acceleration A. Block of mass m1 moving to the right as block of…

A:

Q: An object of mass 0.53 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

A:

Q: An astronaut named Johnny is driving to their rocket when they suddenly need to break. The car…

A:

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: An airplane slows to a stop as it moves along the runway.  Its mass is 3.50 x 105 kg, its speed is…

A:

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 spacecraft that is initially at rest turns on its engine at t=0. If its mass is 3000 kg and the…

A:

Q: A car is moving along a frictionless surface with a speed of 2 m/s to the left. You and your friend…

A:

Q: school physics. Formula: 1/2 mv2 + Fd cos theta = 1/2      A 1600 kg car is moving along a level…

A: Given  Mass m = 1600 kg  Initial velocity u = 35 m /s distance travelled s = 60 m  Force F = -800 N

Q: An object of mass 0.61 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

A: Given data:  Mass (m) = 0.61 kg Initial velocity (u) = 0 m/s Time (t) = 2.9 ms = 2.9×10-3 s Final…

Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…

A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m,…

Q: An object of mass 0.53 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

A: Mass of object "m "= 0.53kg  final velocity "v"= 13.4m/s  time taken "t"= 2.9 ms = 2 .9×10^-³s…

Q: An NIU student is driving slowly down the street in a car at an acceleration of 8.44 m/s2. The car…

A: Given data *The acceleration of the car is a = 8.44 m/s2 *The combined mass of car and student is M…

Q: A small block with mass 0.200 kg is released from rest at the top of a frictionless incline. The…

A: Given Data :m1 = 0.2 kgm1 = 0.4 kgdistance travelled by m1 in 0.2seconds is 0.508 metersinitial…

Q: A 60 kg object traveling at a speed of 80 m/s is suddenly brought to rest in a time of 0.4 seconds.…

A:

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: