A car moving at 11 m/s crashes into a tree and stops in 0.28 s Part A)Calculate the magnitude of the force, in newtons, the seatbelt exerts on a passenger in the car to bring him to a halt. The mass of the passenger is 68 kg.  Part B) What would the final velocity be, in meters per second, if the car with the 68-kg passenger had collided with (and stuck to) a car that has an equal mass and is traveling in the opposite direction and at the same speed?

Q: Explain whether or not your results verify that g = 9.8 m/s2.

A: Value of g for small ball is 9.744 m/s2Value of g for large ball is 9.835 m/s2And since the value of…

Q: 30. Which of the following provides a correct answer for a problem that can be solved using the…

A: Given: List of problems that can be solved using kinematics.

Q: The applied force is no longer applied, and the block is still on the new surface with a force of…

A:

Q: Two students stand face-to-face, then push each other away. One student has a mass of 90.0kg; the…

A: Given, m1= 90kg m2= 60kg Initial velocities of both objects are 0. Final velocity of m1 is v1. Final…

Q: A light cart, moving to the right and a heavy cart, moving to the left at the same speed, collide…

A: Say carts are A and B and moving as shown below: Say velocity before collision is v and after the…

Q: 4) The bodies shown are moving towards each other with velocities indicated. e =0.7. Determine the…

A: We apply conservation of momentum to solve the problem

Q: The driver of a 1000 kg car travelling at 30 m/s slams on its brakes. If the force of friction is…

A: Given that, The mass of a car, m = 1000 kg The initial speed of a car, u = 30 m/s Then the car…

Q: 4 Consider an inclined plane with two balls suspended as shown bekow. The pulley has negligile mas…

A:

Q: A 3500kg truck travels at 12 m/s when it hits a 10000 kg car that was parked besides the driveway.…

A:

Q: A 10 kg mass, initially at rest, is dropped from a height of 15 meters above the horizontal.…

A:

Q: Block of mass m=50 g, slide down on inclined plane with angle 0 is the acceleration of the object:…

A: Given: The mass of the block is 50 g. The angle of inclination is 60 degrees.

Q: In a collision an automobile of mass 1200 kg stops with constant acceleration in 2 m from an initial…

A: Given  m = 1200 kg Initial velocity (vi) = 22 m/s Final velocity (vf) = 0 We have to find…

Q: When a mass M experiences a velocity change of v in a time of t, it experiences a force of F.…

A:

Q: A whole brick has more mass than half a brick, thus the wholebrick is harder to accelerate. Why…

A:

Q: After accelerating with a constant acceleration of -2.50 m/s^2 for 2.50 s in a displacement of 50 m,…

A: Given: Acceleration a=-2.50m/s2 time t=2.50 sec Displacement S=50 m

Q: While launching a rocket of mass 2×104 kg, a force of 5×105 N is applied for 20s. Calculate the…

A: m = 2×104kg F = 5×105N t = 20s u = 0 v = ?Impulse of force = F×t = m(v-u)5×105×20 = 2×104(v-0)v =…

Q: A small car crashes into a large SUV in a head-on collision. The car speed before the collision is…

A: Given: A small car collides(head-on collision) with the SUV Also, speed of car = speed of SUV/2

Q: A 320-lb object is released from rest 400 ft above the ground and allowed to fall under the…

A: Introduction Air resistance:- Air resistance is a force that acts against an object when it moves…

Q: A net force applied to a 1 kg cart travelling at 2 m/s causes it to stop in 20 ms, what is the…

A: Given,

Q: The gradient of velocity v/s time graph is equal to____ a) Velocity b) Acceleration c) Distance…

A: To find: The gradient of velocity v/s time graph is equal to

Q: A car is travelling with a velocity of 108 km/h. The brakes are applied at a rate of -0.6 m/s.…

A:

Q: 9. If you drop a 4.3 kg rock off the top of a building that is 187 m high, how long will it take to…

A:

Q: Using the alternative form of newton second law, computer force (in N) needed to accelerate a 1,100…

A: The alternative form of Newton's Second law is given as Ft = Δp = mv2-mv1 Here, m = 1100 kg v2 = 32…

Q: A 0.045 kg bullet was fired at 350 m/s into a block of wood as shown in the diagram below. Assuming…

A: According to the given data u=350m/s F=5500N m=0.045kg we need to find penetrates distance (d)

Q: Q2) Determine the reactions at support A. ( 20 KN 10 KN 5 KN.m 20 KN

A: Answer..

Q: A 0.150 kg tennis ball moving to the right with a speed of 65 m/s is struck by a tennis racket…

A:

Q: F,-200 N F, = 150 N opoo F=90 N 60 45 Part A Determine the magnitude of the resultant force. (Figure…

A:

Q: 19) When putting a Ron Artest action figure, you use a force of 264.0 N. Your foot is in contact…

A: Write the given values with suitable variables. F=264 mΔt=0.37 su=0 m/sv=22.68 m/s Here, F, Δt, u,…

Q: A planet of mass 6 x 1024 kg is at location m. A star of mass 9 x 1030 kg is at location m. What…

A:

Q: 2. A football punter accelerates a football from rest to a speed of 10 m/s during the time in which…

A: Given data: Initial speed of the football, u=0 (since it was at rest initially) Final speed of the…

Q: What is the amount of force needed to keep a cannon ball moving if you were in space ship and fired…

A: Once the ball is fired into the frictionless space, there will be force available in space to slow…

Q: using physics vocabulary such as in the given picture write a statement that best describes the…

A: Given vocabulary is in picture.  We have to write the relation between distance between objects and…

Q: Two bodies moving with constant velocities collide with each other. Which of the following…

A: Given: Two bodies moving with constant velocities collide with each other.

Q: Blocks A and B are in masses of 5 kg and 40 kg, respectively. In the beginning, the blocks stand…

A: Given data: Mass of A is mA=5 kg. Mass of B is mB=40 kg. Coefficient of friction is μ=0.6.

Q: If a force of 50.0 N acts on a 3.0 kg object for 2.0 seconds, what will its change in velocity be?…

A: Write the given values with the suitable variables. F=50 Nm=3 kgt=2 s Here, F is the force, m is the…

Q: A raw egg with a mass of .07 kg is dropped without a protective device from 3 heights: a) 1 meter…

A:

Q: the mass

A:

Q: Block A has a mass ( mA =55 kg ) and Block B has a mass of ( mB = 20 kg ). The two blocks are…

A:

Q: - An object of mass 20 kg is released from rest 1000 m above the ground and allowed to fall under…

A: According to this law, the net force on an object is equal to the product of its mass and net…

Q: DOES AN OJECT AT REST HAVE MOMENTUM? WHY OR WHY NOT? * efe WHAT ASSUMPTIONS WILL YOU MAKE REGARDING…

A: Momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e.,…

Q: H66

A: Given that,Mass of the base ball : m = 0.2 kgForce from a baseball :F = 100 N Here we need to find…

Q: During a hard stop, a car and its passengers slows from 46 m/s to zero in 0.5- s. What magnitude…

A:

Q: Q4) The 50 kg block shown in the figure is set in motion without an initial velocity when xe 150 mm…

A: Given: m=50kg, xe=150mm, k=200N/m The differential equation of a damped harmonic system is defined…

Q: The padded dashboard was one of the first safety devices included in automobiles. The padded…

A: The force acting on an object is defined as the ratio of change in momentum to the change in time…

Q: Determine whether or not a net force is applied in the following situations: Motion Is there Net…

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: